Home / 2,825,427.20-4,238,140.80-906,334.70

Finding the Fourth Proportional to 2,825,427.20, 4,238,140.80 and 906,334.70

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Solution

The fourth proportional to 2,825,427.20, 4,238,140.80 and 906,334.70 is: 1,359,502.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825,427.20 : 4,238,140.80 = 906,334.70 : x
  2. Step 2: Convert to fraction form
    2,825,427.20/4,238,140.80 = 906,334.70/x
  3. Step 3: Cross multiply
    2,825,427.20x = 4,238,140.80 × 906,334.70
  4. Step 4: Simplify right side
    2,825,427.20x = 3,841,174,070,525.76
  5. Step 5: Solve for x
    x = 3,841,174,070,525.76/2,825,427.20
  6. Step 6: Final answer
    x = 1,359,502.05

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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.