Home / 2,572,719.76-3,859,636.92-775,452.88

Finding the Fourth Proportional to 2,572,719.76, 3,859,636.92 and 775,452.88

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Solution

The fourth proportional to 2,572,719.76, 3,859,636.92 and 775,452.88 is: 1,163,347.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,572,719.76 : 3,859,636.92 = 775,452.88 : x
  2. Step 2: Convert to fraction form
    2,572,719.76/3,859,636.92 = 775,452.88/x
  3. Step 3: Cross multiply
    2,572,719.76x = 3,859,636.92 × 775,452.88
  4. Step 4: Simplify right side
    2,572,719.76x = 2,992,966,565,368.33
  5. Step 5: Solve for x
    x = 2,992,966,565,368.33/2,572,719.76
  6. Step 6: Final answer
    x = 1,163,347.29

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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.