Home / 3,187,090.70-4,779,229.51-912,097.09

Finding the Fourth Proportional to 3,187,090.70, 4,779,229.51 and 912,097.09

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Solution

The fourth proportional to 3,187,090.70, 4,779,229.51 and 912,097.09 is: 1,367,743.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,187,090.70 : 4,779,229.51 = 912,097.09 : x
  2. Step 2: Convert to fraction form
    3,187,090.70/4,779,229.51 = 912,097.09/x
  3. Step 3: Cross multiply
    3,187,090.70x = 4,779,229.51 × 912,097.09
  4. Step 4: Simplify right side
    3,187,090.70x = 4,359,121,328,513.13
  5. Step 5: Solve for x
    x = 4,359,121,328,513.13/3,187,090.70
  6. Step 6: Final answer
    x = 1,367,743.10

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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.