Home / 1,618,287.52-2,415,126-1,438,930.80

Finding the Fourth Proportional to 1,618,287.52, 2,415,126 and 1,438,930.80

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Solution

The fourth proportional to 1,618,287.52, 2,415,126 and 1,438,930.80 is: 2,147,454.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,618,287.52 : 2,415,126 = 1,438,930.80 : x
  2. Step 2: Convert to fraction form
    1,618,287.52/2,415,126 = 1,438,930.80/x
  3. Step 3: Cross multiply
    1,618,287.52x = 2,415,126 × 1,438,930.80
  4. Step 4: Simplify right side
    1,618,287.52x = 3,475,199,187,280.80
  5. Step 5: Solve for x
    x = 3,475,199,187,280.80/1,618,287.52
  6. Step 6: Final answer
    x = 2,147,454.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.