Home / 2,625,375.20-3,938,062.80-630,831.20

Finding the Fourth Proportional to 2,625,375.20, 3,938,062.80 and 630,831.20

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Solution

The fourth proportional to 2,625,375.20, 3,938,062.80 and 630,831.20 is: 946,246.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,625,375.20 : 3,938,062.80 = 630,831.20 : x
  2. Step 2: Convert to fraction form
    2,625,375.20/3,938,062.80 = 630,831.20/x
  3. Step 3: Cross multiply
    2,625,375.20x = 3,938,062.80 × 630,831.20
  4. Step 4: Simplify right side
    2,625,375.20x = 2,484,252,862,109.05
  5. Step 5: Solve for x
    x = 2,484,252,862,109.05/2,625,375.20
  6. Step 6: Final answer
    x = 946,246.79

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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.