Home / 5,172,487.46-7,138,254.15-2,880,648.15

Finding the Fourth Proportional to 5,172,487.46, 7,138,254.15 and 2,880,648.15

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Solution

The fourth proportional to 5,172,487.46, 7,138,254.15 and 2,880,648.15 is: 3,975,417.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,172,487.46 : 7,138,254.15 = 2,880,648.15 : x
  2. Step 2: Convert to fraction form
    5,172,487.46/7,138,254.15 = 2,880,648.15/x
  3. Step 3: Cross multiply
    5,172,487.46x = 7,138,254.15 × 2,880,648.15
  4. Step 4: Simplify right side
    5,172,487.46x = 20,562,798,575,736.05
  5. Step 5: Solve for x
    x = 20,562,798,575,736.05/5,172,487.46
  6. Step 6: Final answer
    x = 3,975,417.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.