Home / 3,151,418.40-4,348,779.03-1,862,378.73

Finding the Fourth Proportional to 3,151,418.40, 4,348,779.03 and 1,862,378.73

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Solution

The fourth proportional to 3,151,418.40, 4,348,779.03 and 1,862,378.73 is: 2,569,977.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,151,418.40 : 4,348,779.03 = 1,862,378.73 : x
  2. Step 2: Convert to fraction form
    3,151,418.40/4,348,779.03 = 1,862,378.73/x
  3. Step 3: Cross multiply
    3,151,418.40x = 4,348,779.03 × 1,862,378.73
  4. Step 4: Simplify right side
    3,151,418.40x = 8,099,073,566,942.03
  5. Step 5: Solve for x
    x = 8,099,073,566,942.03/3,151,418.40
  6. Step 6: Final answer
    x = 2,569,977.24

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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.