Home / 2,138,433.76-2,951,013.60-1,158,354.32

Finding the Fourth Proportional to 2,138,433.76, 2,951,013.60 and 1,158,354.32

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Solution

The fourth proportional to 2,138,433.76, 2,951,013.60 and 1,158,354.32 is: 1,598,515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,433.76 : 2,951,013.60 = 1,158,354.32 : x
  2. Step 2: Convert to fraction form
    2,138,433.76/2,951,013.60 = 1,158,354.32/x
  3. Step 3: Cross multiply
    2,138,433.76x = 2,951,013.60 × 1,158,354.32
  4. Step 4: Simplify right side
    2,138,433.76x = 3,418,319,351,938.75
  5. Step 5: Solve for x
    x = 3,418,319,351,938.75/2,138,433.76
  6. Step 6: Final answer
    x = 1,598,515.43

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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.