Home / 5,485,829.18-8,229,285.05-1,891,122.89

Finding the Fourth Proportional to 5,485,829.18, 8,229,285.05 and 1,891,122.89

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Solution

The fourth proportional to 5,485,829.18, 8,229,285.05 and 1,891,122.89 is: 2,836,870.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,485,829.18 : 8,229,285.05 = 1,891,122.89 : x
  2. Step 2: Convert to fraction form
    5,485,829.18/8,229,285.05 = 1,891,122.89/x
  3. Step 3: Cross multiply
    5,485,829.18x = 8,229,285.05 × 1,891,122.89
  4. Step 4: Simplify right side
    5,485,829.18x = 15,562,589,275,787.75
  5. Step 5: Solve for x
    x = 15,562,589,275,787.75/5,485,829.18
  6. Step 6: Final answer
    x = 2,836,870.92

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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.