Home / 3,109,387.78-4,291,088.34-1,732,733.38

Finding the Fourth Proportional to 3,109,387.78, 4,291,088.34 and 1,732,733.38

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Solution

The fourth proportional to 3,109,387.78, 4,291,088.34 and 1,732,733.38 is: 2,391,246.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109,387.78 : 4,291,088.34 = 1,732,733.38 : x
  2. Step 2: Convert to fraction form
    3,109,387.78/4,291,088.34 = 1,732,733.38/x
  3. Step 3: Cross multiply
    3,109,387.78x = 4,291,088.34 × 1,732,733.38
  4. Step 4: Simplify right side
    3,109,387.78x = 7,435,312,003,246.79
  5. Step 5: Solve for x
    x = 7,435,312,003,246.79/3,109,387.78
  6. Step 6: Final answer
    x = 2,391,246.29

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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.