Home / 2,960,146.80-4,440,220.20-2,153,143.80

Finding the Fourth Proportional to 2,960,146.80, 4,440,220.20 and 2,153,143.80

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Solution

The fourth proportional to 2,960,146.80, 4,440,220.20 and 2,153,143.80 is: 3,229,715.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,960,146.80 : 4,440,220.20 = 2,153,143.80 : x
  2. Step 2: Convert to fraction form
    2,960,146.80/4,440,220.20 = 2,153,143.80/x
  3. Step 3: Cross multiply
    2,960,146.80x = 4,440,220.20 × 2,153,143.80
  4. Step 4: Simplify right side
    2,960,146.80x = 9,560,432,594,264.76
  5. Step 5: Solve for x
    x = 9,560,432,594,264.76/2,960,146.80
  6. Step 6: Final answer
    x = 3,229,715.70

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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.