Home / 2,768,000.80-4,152,001.20-2,085,984.85

Finding the Fourth Proportional to 2,768,000.80, 4,152,001.20 and 2,085,984.85

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Solution

The fourth proportional to 2,768,000.80, 4,152,001.20 and 2,085,984.85 is: 3,128,977.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,768,000.80 : 4,152,001.20 = 2,085,984.85 : x
  2. Step 2: Convert to fraction form
    2,768,000.80/4,152,001.20 = 2,085,984.85/x
  3. Step 3: Cross multiply
    2,768,000.80x = 4,152,001.20 × 2,085,984.85
  4. Step 4: Simplify right side
    2,768,000.80x = 8,661,011,600,381.82
  5. Step 5: Solve for x
    x = 8,661,011,600,381.82/2,768,000.80
  6. Step 6: Final answer
    x = 3,128,977.28

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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.