Home / 2,952,418.40-4,428,627.60-822,831.20

Finding the Fourth Proportional to 2,952,418.40, 4,428,627.60 and 822,831.20

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Solution

The fourth proportional to 2,952,418.40, 4,428,627.60 and 822,831.20 is: 1,234,246.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,418.40 : 4,428,627.60 = 822,831.20 : x
  2. Step 2: Convert to fraction form
    2,952,418.40/4,428,627.60 = 822,831.20/x
  3. Step 3: Cross multiply
    2,952,418.40x = 4,428,627.60 × 822,831.20
  4. Step 4: Simplify right side
    2,952,418.40x = 3,644,012,962,461.12
  5. Step 5: Solve for x
    x = 3,644,012,962,461.12/2,952,418.40
  6. Step 6: Final answer
    x = 1,234,246.80

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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.