Home / 2,825,419.70-4,238,129.55-906,327.20

Finding the Fourth Proportional to 2,825,419.70, 4,238,129.55 and 906,327.20

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Solution

The fourth proportional to 2,825,419.70, 4,238,129.55 and 906,327.20 is: 1,359,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,419.70 : 4,238,129.55 = 906,327.20 : x
  2. Step 2: Convert to fraction form
    2,825,419.70/4,238,129.55 = 906,327.20/x
  3. Step 3: Cross multiply
    2,825,419.70x = 4,238,129.55 × 906,327.20
  4. Step 4: Simplify right side
    2,825,419.70x = 3,841,132,088,288.76
  5. Step 5: Solve for x
    x = 3,841,132,088,288.76/2,825,419.70
  6. Step 6: Final answer
    x = 1,359,490.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.