Home / 2,439,538.15-3,659,486.97-642,409.18

Finding the Fourth Proportional to 2,439,538.15, 3,659,486.97 and 642,409.18

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Solution

The fourth proportional to 2,439,538.15, 3,659,486.97 and 642,409.18 is: 963,661.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,439,538.15 : 3,659,486.97 = 642,409.18 : x
  2. Step 2: Convert to fraction form
    2,439,538.15/3,659,486.97 = 642,409.18/x
  3. Step 3: Cross multiply
    2,439,538.15x = 3,659,486.97 × 642,409.18
  4. Step 4: Simplify right side
    2,439,538.15x = 2,350,888,023,618.38
  5. Step 5: Solve for x
    x = 2,350,888,023,618.38/2,439,538.15
  6. Step 6: Final answer
    x = 963,661.10

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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.