Home / 3,631,808.20-5,447,712.30-972,416.20

Finding the Fourth Proportional to 3,631,808.20, 5,447,712.30 and 972,416.20

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Solution

The fourth proportional to 3,631,808.20, 5,447,712.30 and 972,416.20 is: 1,458,624.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,631,808.20 : 5,447,712.30 = 972,416.20 : x
  2. Step 2: Convert to fraction form
    3,631,808.20/5,447,712.30 = 972,416.20/x
  3. Step 3: Cross multiply
    3,631,808.20x = 5,447,712.30 × 972,416.20
  4. Step 4: Simplify right side
    3,631,808.20x = 5,297,443,693,459.26
  5. Step 5: Solve for x
    x = 5,297,443,693,459.26/3,631,808.20
  6. Step 6: Final answer
    x = 1,458,624.30

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Double scale
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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.