Home / 3,129,207.90-4,693,053.24-854,742.96

Finding the Fourth Proportional to 3,129,207.90, 4,693,053.24 and 854,742.96

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Solution

The fourth proportional to 3,129,207.90, 4,693,053.24 and 854,742.96 is: 1,281,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,207.90 : 4,693,053.24 = 854,742.96 : x
  2. Step 2: Convert to fraction form
    3,129,207.90/4,693,053.24 = 854,742.96/x
  3. Step 3: Cross multiply
    3,129,207.90x = 4,693,053.24 × 854,742.96
  4. Step 4: Simplify right side
    3,129,207.90x = 4,011,354,217,795.19
  5. Step 5: Solve for x
    x = 4,011,354,217,795.19/3,129,207.90
  6. Step 6: Final answer
    x = 1,281,907.23

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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.