Home / 2,445,641.40-3,668,462.10-762,742.20

Finding the Fourth Proportional to 2,445,641.40, 3,668,462.10 and 762,742.20

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Solution

The fourth proportional to 2,445,641.40, 3,668,462.10 and 762,742.20 is: 1,144,113.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445,641.40 : 3,668,462.10 = 762,742.20 : x
  2. Step 2: Convert to fraction form
    2,445,641.40/3,668,462.10 = 762,742.20/x
  3. Step 3: Cross multiply
    2,445,641.40x = 3,668,462.10 × 762,742.20
  4. Step 4: Simplify right side
    2,445,641.40x = 2,798,090,852,770.62
  5. Step 5: Solve for x
    x = 2,798,090,852,770.62/2,445,641.40
  6. Step 6: Final answer
    x = 1,144,113.30

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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.