Home / 2,154,945.60-3,229,826.40-892,123.20

Finding the Fourth Proportional to 2,154,945.60, 3,229,826.40 and 892,123.20

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Solution

The fourth proportional to 2,154,945.60, 3,229,826.40 and 892,123.20 is: 1,337,111.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154,945.60 : 3,229,826.40 = 892,123.20 : x
  2. Step 2: Convert to fraction form
    2,154,945.60/3,229,826.40 = 892,123.20/x
  3. Step 3: Cross multiply
    2,154,945.60x = 3,229,826.40 × 892,123.20
  4. Step 4: Simplify right side
    2,154,945.60x = 2,881,403,063,412.48
  5. Step 5: Solve for x
    x = 2,881,403,063,412.48/2,154,945.60
  6. Step 6: Final answer
    x = 1,337,111.74

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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.