Home / 3,120,446.40-4,681,123.20-1,323,326.40

Finding the Fourth Proportional to 3,120,446.40, 4,681,123.20 and 1,323,326.40

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Solution

The fourth proportional to 3,120,446.40, 4,681,123.20 and 1,323,326.40 is: 1,985,181.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,446.40 : 4,681,123.20 = 1,323,326.40 : x
  2. Step 2: Convert to fraction form
    3,120,446.40/4,681,123.20 = 1,323,326.40/x
  3. Step 3: Cross multiply
    3,120,446.40x = 4,681,123.20 × 1,323,326.40
  4. Step 4: Simplify right side
    3,120,446.40x = 6,194,653,912,212.48
  5. Step 5: Solve for x
    x = 6,194,653,912,212.48/3,120,446.40
  6. Step 6: Final answer
    x = 1,985,181.96

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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.