Home / 2,986,540.40-4,479,810.60-1,092,652.40

Finding the Fourth Proportional to 2,986,540.40, 4,479,810.60 and 1,092,652.40

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Solution

The fourth proportional to 2,986,540.40, 4,479,810.60 and 1,092,652.40 is: 1,638,978.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,986,540.40 : 4,479,810.60 = 1,092,652.40 : x
  2. Step 2: Convert to fraction form
    2,986,540.40/4,479,810.60 = 1,092,652.40/x
  3. Step 3: Cross multiply
    2,986,540.40x = 4,479,810.60 × 1,092,652.40
  4. Step 4: Simplify right side
    2,986,540.40x = 4,894,875,803,635.44
  5. Step 5: Solve for x
    x = 4,894,875,803,635.44/2,986,540.40
  6. Step 6: Final answer
    x = 1,638,978.60

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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.