Home / 1,989,454.67-2,982,057.42-1,134,685.77

Finding the Fourth Proportional to 1,989,454.67, 2,982,057.42 and 1,134,685.77

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Solution

The fourth proportional to 1,989,454.67, 2,982,057.42 and 1,134,685.77 is: 1,700,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,454.67 : 2,982,057.42 = 1,134,685.77 : x
  2. Step 2: Convert to fraction form
    1,989,454.67/2,982,057.42 = 1,134,685.77/x
  3. Step 3: Cross multiply
    1,989,454.67x = 2,982,057.42 × 1,134,685.77
  4. Step 4: Simplify right side
    1,989,454.67x = 3,383,698,112,869.27
  5. Step 5: Solve for x
    x = 3,383,698,112,869.27/1,989,454.67
  6. Step 6: Final answer
    x = 1,700,816.90

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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.