Home / 2,087,439-3,130,171.56-808,645.38

Finding the Fourth Proportional to 2,087,439, 3,130,171.56 and 808,645.38

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Solution

The fourth proportional to 2,087,439, 3,130,171.56 and 808,645.38 is: 1,212,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,087,439 : 3,130,171.56 = 808,645.38 : x
  2. Step 2: Convert to fraction form
    2,087,439/3,130,171.56 = 808,645.38/x
  3. Step 3: Cross multiply
    2,087,439x = 3,130,171.56 × 808,645.38
  4. Step 4: Simplify right side
    2,087,439x = 2,531,198,770,601.39
  5. Step 5: Solve for x
    x = 2,531,198,770,601.39/2,087,439
  6. Step 6: Final answer
    x = 1,212,585.74

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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.