Home / 2,872,666.38-3,964,081.44-1,615,541.72

Finding the Fourth Proportional to 2,872,666.38, 3,964,081.44 and 1,615,541.72

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Solution

The fourth proportional to 2,872,666.38, 3,964,081.44 and 1,615,541.72 is: 2,229,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,666.38 : 3,964,081.44 = 1,615,541.72 : x
  2. Step 2: Convert to fraction form
    2,872,666.38/3,964,081.44 = 1,615,541.72/x
  3. Step 3: Cross multiply
    2,872,666.38x = 3,964,081.44 × 1,615,541.72
  4. Step 4: Simplify right side
    2,872,666.38x = 6,404,138,955,092.55
  5. Step 5: Solve for x
    x = 6,404,138,955,092.55/2,872,666.38
  6. Step 6: Final answer
    x = 2,229,336.13

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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.