Home / 2,442,289.20-3,660,848.22-821,515.08

Finding the Fourth Proportional to 2,442,289.20, 3,660,848.22 and 821,515.08

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Solution

The fourth proportional to 2,442,289.20, 3,660,848.22 and 821,515.08 is: 1,231,402.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,442,289.20 : 3,660,848.22 = 821,515.08 : x
  2. Step 2: Convert to fraction form
    2,442,289.20/3,660,848.22 = 821,515.08/x
  3. Step 3: Cross multiply
    2,442,289.20x = 3,660,848.22 × 821,515.08
  4. Step 4: Simplify right side
    2,442,289.20x = 3,007,442,018,321.16
  5. Step 5: Solve for x
    x = 3,007,442,018,321.16/2,442,289.20
  6. Step 6: Final answer
    x = 1,231,402.91

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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.