Home / 3,991,463.40-5,990,980.28-2,470,545.69

Finding the Fourth Proportional to 3,991,463.40, 5,990,980.28 and 2,470,545.69

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Solution

The fourth proportional to 3,991,463.40, 5,990,980.28 and 2,470,545.69 is: 3,708,161.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,991,463.40 : 5,990,980.28 = 2,470,545.69 : x
  2. Step 2: Convert to fraction form
    3,991,463.40/5,990,980.28 = 2,470,545.69/x
  3. Step 3: Cross multiply
    3,991,463.40x = 5,990,980.28 × 2,470,545.69
  4. Step 4: Simplify right side
    3,991,463.40x = 14,800,990,497,276.27
  5. Step 5: Solve for x
    x = 14,800,990,497,276.27/3,991,463.40
  6. Step 6: Final answer
    x = 3,708,161.40

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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.