Home / 3,126,176.20-4,689,701.70-1,329,045.40

Finding the Fourth Proportional to 3,126,176.20, 4,689,701.70 and 1,329,045.40

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Solution

The fourth proportional to 3,126,176.20, 4,689,701.70 and 1,329,045.40 is: 1,993,754.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,126,176.20 : 4,689,701.70 = 1,329,045.40 : x
  2. Step 2: Convert to fraction form
    3,126,176.20/4,689,701.70 = 1,329,045.40/x
  3. Step 3: Cross multiply
    3,126,176.20x = 4,689,701.70 × 1,329,045.40
  4. Step 4: Simplify right side
    3,126,176.20x = 6,232,826,471,757.18
  5. Step 5: Solve for x
    x = 6,232,826,471,757.18/3,126,176.20
  6. Step 6: Final answer
    x = 1,993,754.05

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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.