Home / 3,913,690.20-5,870,535.30-3,381,811.80

Finding the Fourth Proportional to 3,913,690.20, 5,870,535.30 and 3,381,811.80

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Solution

The fourth proportional to 3,913,690.20, 5,870,535.30 and 3,381,811.80 is: 5,072,717.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913,690.20 : 5,870,535.30 = 3,381,811.80 : x
  2. Step 2: Convert to fraction form
    3,913,690.20/5,870,535.30 = 3,381,811.80/x
  3. Step 3: Cross multiply
    3,913,690.20x = 5,870,535.30 × 3,381,811.80
  4. Step 4: Simplify right side
    3,913,690.20x = 19,853,045,549,856.54
  5. Step 5: Solve for x
    x = 19,853,045,549,856.54/3,913,690.20
  6. Step 6: Final answer
    x = 5,072,717.70

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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.