Home / 3,445,041.38-4,754,157.10-1,917,149.72

Finding the Fourth Proportional to 3,445,041.38, 4,754,157.10 and 1,917,149.72

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Solution

The fourth proportional to 3,445,041.38, 4,754,157.10 and 1,917,149.72 is: 2,645,666.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,445,041.38 : 4,754,157.10 = 1,917,149.72 : x
  2. Step 2: Convert to fraction form
    3,445,041.38/4,754,157.10 = 1,917,149.72/x
  3. Step 3: Cross multiply
    3,445,041.38x = 4,754,157.10 × 1,917,149.72
  4. Step 4: Simplify right side
    3,445,041.38x = 9,114,430,924,537.35
  5. Step 5: Solve for x
    x = 9,114,430,924,537.35/3,445,041.38
  6. Step 6: Final answer
    x = 2,645,666.61

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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.