Home / 2,156,825.20-3,237,862.20-1,091,318.80

Finding the Fourth Proportional to 2,156,825.20, 3,237,862.20 and 1,091,318.80

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Solution

The fourth proportional to 2,156,825.20, 3,237,862.20 and 1,091,318.80 is: 1,638,306.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,156,825.20 : 3,237,862.20 = 1,091,318.80 : x
  2. Step 2: Convert to fraction form
    2,156,825.20/3,237,862.20 = 1,091,318.80/x
  3. Step 3: Cross multiply
    2,156,825.20x = 3,237,862.20 × 1,091,318.80
  4. Step 4: Simplify right side
    2,156,825.20x = 3,533,539,890,669.36
  5. Step 5: Solve for x
    x = 3,533,539,890,669.36/2,156,825.20
  6. Step 6: Final answer
    x = 1,638,306.10

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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.