Home / 2,138,430.38-2,951,009.34-1,158,350.71

Finding the Fourth Proportional to 2,138,430.38, 2,951,009.34 and 1,158,350.71

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Solution

The fourth proportional to 2,138,430.38, 2,951,009.34 and 1,158,350.71 is: 1,598,510.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,430.38 : 2,951,009.34 = 1,158,350.71 : x
  2. Step 2: Convert to fraction form
    2,138,430.38/2,951,009.34 = 1,158,350.71/x
  3. Step 3: Cross multiply
    2,138,430.38x = 2,951,009.34 × 1,158,350.71
  4. Step 4: Simplify right side
    2,138,430.38x = 3,418,303,761,275.30
  5. Step 5: Solve for x
    x = 3,418,303,761,275.30/2,138,430.38
  6. Step 6: Final answer
    x = 1,598,510.66

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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.