Home / 3,120,296.40-4,680,898.20-1,323,176.40

Finding the Fourth Proportional to 3,120,296.40, 4,680,898.20 and 1,323,176.40

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Solution

The fourth proportional to 3,120,296.40, 4,680,898.20 and 1,323,176.40 is: 1,984,956.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,296.40 : 4,680,898.20 = 1,323,176.40 : x
  2. Step 2: Convert to fraction form
    3,120,296.40/4,680,898.20 = 1,323,176.40/x
  3. Step 3: Cross multiply
    3,120,296.40x = 4,680,898.20 × 1,323,176.40
  4. Step 4: Simplify right side
    3,120,296.40x = 6,193,654,029,042.48
  5. Step 5: Solve for x
    x = 6,193,654,029,042.48/3,120,296.40
  6. Step 6: Final answer
    x = 1,984,956.95

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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.