Home / 2,840,279.97-3,919,617.54-1,551,158.31

Finding the Fourth Proportional to 2,840,279.97, 3,919,617.54 and 1,551,158.31

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Solution

The fourth proportional to 2,840,279.97, 3,919,617.54 and 1,551,158.31 is: 2,140,615.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840,279.97 : 3,919,617.54 = 1,551,158.31 : x
  2. Step 2: Convert to fraction form
    2,840,279.97/3,919,617.54 = 1,551,158.31/x
  3. Step 3: Cross multiply
    2,840,279.97x = 3,919,617.54 × 1,551,158.31
  4. Step 4: Simplify right side
    2,840,279.97x = 6,079,947,319,192.76
  5. Step 5: Solve for x
    x = 6,079,947,319,192.76/2,840,279.97
  6. Step 6: Final answer
    x = 2,140,615.50

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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.