Home / 2,778,700.48-4,167,467.51-783,689.92

Finding the Fourth Proportional to 2,778,700.48, 4,167,467.51 and 783,689.92

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Solution

The fourth proportional to 2,778,700.48, 4,167,467.51 and 783,689.92 is: 1,175,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,778,700.48 : 4,167,467.51 = 783,689.92 : x
  2. Step 2: Convert to fraction form
    2,778,700.48/4,167,467.51 = 783,689.92/x
  3. Step 3: Cross multiply
    2,778,700.48x = 4,167,467.51 × 783,689.92
  4. Step 4: Simplify right side
    2,778,700.48x = 3,266,002,265,177.38
  5. Step 5: Solve for x
    x = 3,266,002,265,177.38/2,778,700.48
  6. Step 6: Final answer
    x = 1,175,370.39

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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.