Home / 2,535,486.60-3,498,951.42-1,389,564.21

Finding the Fourth Proportional to 2,535,486.60, 3,498,951.42 and 1,389,564.21

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Solution

The fourth proportional to 2,535,486.60, 3,498,951.42 and 1,389,564.21 is: 1,917,587.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,535,486.60 : 3,498,951.42 = 1,389,564.21 : x
  2. Step 2: Convert to fraction form
    2,535,486.60/3,498,951.42 = 1,389,564.21/x
  3. Step 3: Cross multiply
    2,535,486.60x = 3,498,951.42 × 1,389,564.21
  4. Step 4: Simplify right side
    2,535,486.60x = 4,862,017,665,760.68
  5. Step 5: Solve for x
    x = 4,862,017,665,760.68/2,535,486.60
  6. Step 6: Final answer
    x = 1,917,587.60

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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.