Home / 2,079,887.40-3,119,831.10-1,015,612.20

Finding the Fourth Proportional to 2,079,887.40, 3,119,831.10 and 1,015,612.20

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Solution

The fourth proportional to 2,079,887.40, 3,119,831.10 and 1,015,612.20 is: 1,523,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,079,887.40 : 3,119,831.10 = 1,015,612.20 : x
  2. Step 2: Convert to fraction form
    2,079,887.40/3,119,831.10 = 1,015,612.20/x
  3. Step 3: Cross multiply
    2,079,887.40x = 3,119,831.10 × 1,015,612.20
  4. Step 4: Simplify right side
    2,079,887.40x = 3,168,538,527,099.42
  5. Step 5: Solve for x
    x = 3,168,538,527,099.42/2,079,887.40
  6. Step 6: Final answer
    x = 1,523,418.30

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Similar ratio
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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.