Home / 3,120,456.30-4,676,998.05-1,323,336.30

Finding the Fourth Proportional to 3,120,456.30, 4,676,998.05 and 1,323,336.30

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Solution

The fourth proportional to 3,120,456.30, 4,676,998.05 and 1,323,336.30 is: 1,983,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,456.30 : 4,676,998.05 = 1,323,336.30 : x
  2. Step 2: Convert to fraction form
    3,120,456.30/4,676,998.05 = 1,323,336.30/x
  3. Step 3: Cross multiply
    3,120,456.30x = 4,676,998.05 × 1,323,336.30
  4. Step 4: Simplify right side
    3,120,456.30x = 6,189,241,294,594.22
  5. Step 5: Solve for x
    x = 6,189,241,294,594.22/3,120,456.30
  6. Step 6: Final answer
    x = 1,983,441.11

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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.