Home / 4,429,331.60-6,643,997.40-4,387,341.20

Finding the Fourth Proportional to 4,429,331.60, 6,643,997.40 and 4,387,341.20

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Solution

The fourth proportional to 4,429,331.60, 6,643,997.40 and 4,387,341.20 is: 6,581,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429,331.60 : 6,643,997.40 = 4,387,341.20 : x
  2. Step 2: Convert to fraction form
    4,429,331.60/6,643,997.40 = 4,387,341.20/x
  3. Step 3: Cross multiply
    4,429,331.60x = 6,643,997.40 × 4,387,341.20
  4. Step 4: Simplify right side
    4,429,331.60x = 29,149,483,525,712.88
  5. Step 5: Solve for x
    x = 29,149,483,525,712.88/4,429,331.60
  6. Step 6: Final answer
    x = 6,581,011.80

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Similar ratio
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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.