Home / 2,988,765.60-4,123,248.48-1,956,525.90

Finding the Fourth Proportional to 2,988,765.60, 4,123,248.48 and 1,956,525.90

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Solution

The fourth proportional to 2,988,765.60, 4,123,248.48 and 1,956,525.90 is: 2,699,188.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988,765.60 : 4,123,248.48 = 1,956,525.90 : x
  2. Step 2: Convert to fraction form
    2,988,765.60/4,123,248.48 = 1,956,525.90/x
  3. Step 3: Cross multiply
    2,988,765.60x = 4,123,248.48 × 1,956,525.90
  4. Step 4: Simplify right side
    2,988,765.60x = 8,067,242,443,255.63
  5. Step 5: Solve for x
    x = 8,067,242,443,255.63/2,988,765.60
  6. Step 6: Final answer
    x = 2,699,188.74

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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.