Home / 5,890,471.20-8,835,706.80-4,378,816.80

Finding the Fourth Proportional to 5,890,471.20, 8,835,706.80 and 4,378,816.80

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Solution

The fourth proportional to 5,890,471.20, 8,835,706.80 and 4,378,816.80 is: 6,568,225.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890,471.20 : 8,835,706.80 = 4,378,816.80 : x
  2. Step 2: Convert to fraction form
    5,890,471.20/8,835,706.80 = 4,378,816.80/x
  3. Step 3: Cross multiply
    5,890,471.20x = 8,835,706.80 × 4,378,816.80
  4. Step 4: Simplify right side
    5,890,471.20x = 38,689,941,375,714.24
  5. Step 5: Solve for x
    x = 38,689,941,375,714.24/5,890,471.20
  6. Step 6: Final answer
    x = 6,568,225.20

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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.