Home / 1,536,331.68-2,119,632.03-992,787.66

Finding the Fourth Proportional to 1,536,331.68, 2,119,632.03 and 992,787.66

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Solution

The fourth proportional to 1,536,331.68, 2,119,632.03 and 992,787.66 is: 1,369,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536,331.68 : 2,119,632.03 = 992,787.66 : x
  2. Step 2: Convert to fraction form
    1,536,331.68/2,119,632.03 = 992,787.66/x
  3. Step 3: Cross multiply
    1,536,331.68x = 2,119,632.03 × 992,787.66
  4. Step 4: Simplify right side
    1,536,331.68x = 2,104,344,523,124.75
  5. Step 5: Solve for x
    x = 2,104,344,523,124.75/1,536,331.68
  6. Step 6: Final answer
    x = 1,369,720.19

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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.