Home / 1,624,414.79-2,236,685.38-1,442,811.17

Finding the Fourth Proportional to 1,624,414.79, 2,236,685.38 and 1,442,811.17

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Solution

The fourth proportional to 1,624,414.79, 2,236,685.38 and 1,442,811.17 is: 1,986,632.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,624,414.79 : 2,236,685.38 = 1,442,811.17 : x
  2. Step 2: Convert to fraction form
    1,624,414.79/2,236,685.38 = 1,442,811.17/x
  3. Step 3: Cross multiply
    1,624,414.79x = 2,236,685.38 × 1,442,811.17
  4. Step 4: Simplify right side
    1,624,414.79x = 3,227,114,652,024.38
  5. Step 5: Solve for x
    x = 3,227,114,652,024.38/1,624,414.79
  6. Step 6: Final answer
    x = 1,986,632.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.