Home / 6,145,312.80-9,217,969.20-2,101,440.45

Finding the Fourth Proportional to 6,145,312.80, 9,217,969.20 and 2,101,440.45

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Solution

The fourth proportional to 6,145,312.80, 9,217,969.20 and 2,101,440.45 is: 3,152,160.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145,312.80 : 9,217,969.20 = 2,101,440.45 : x
  2. Step 2: Convert to fraction form
    6,145,312.80/9,217,969.20 = 2,101,440.45/x
  3. Step 3: Cross multiply
    6,145,312.80x = 9,217,969.20 × 2,101,440.45
  4. Step 4: Simplify right side
    6,145,312.80x = 19,371,013,343,734.14
  5. Step 5: Solve for x
    x = 19,371,013,343,734.14/6,145,312.80
  6. Step 6: Final answer
    x = 3,152,160.68

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.