Home / 3,920,856.10-5,881,284.15-3,291,000.10

Finding the Fourth Proportional to 3,920,856.10, 5,881,284.15 and 3,291,000.10

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Solution

The fourth proportional to 3,920,856.10, 5,881,284.15 and 3,291,000.10 is: 4,936,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,920,856.10 : 5,881,284.15 = 3,291,000.10 : x
  2. Step 2: Convert to fraction form
    3,920,856.10/5,881,284.15 = 3,291,000.10/x
  3. Step 3: Cross multiply
    3,920,856.10x = 5,881,284.15 × 3,291,000.10
  4. Step 4: Simplify right side
    3,920,856.10x = 19,355,306,725,778.42
  5. Step 5: Solve for x
    x = 19,355,306,725,778.42/3,920,856.10
  6. Step 6: Final answer
    x = 4,936,500.15

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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.