Home / 5,115,714.64-7,058,009.60-3,645,854.72

Finding the Fourth Proportional to 5,115,714.64, 7,058,009.60 and 3,645,854.72

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Solution

The fourth proportional to 5,115,714.64, 7,058,009.60 and 3,645,854.72 is: 5,030,084.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,115,714.64 : 7,058,009.60 = 3,645,854.72 : x
  2. Step 2: Convert to fraction form
    5,115,714.64/7,058,009.60 = 3,645,854.72/x
  3. Step 3: Cross multiply
    5,115,714.64x = 7,058,009.60 × 3,645,854.72
  4. Step 4: Simplify right side
    5,115,714.64x = 25,732,477,613,965.31
  5. Step 5: Solve for x
    x = 25,732,477,613,965.31/5,115,714.64
  6. Step 6: Final answer
    x = 5,030,084.64

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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.