Home / 5,678,864.80-8,518,297.20-3,553,100.80

Finding the Fourth Proportional to 5,678,864.80, 8,518,297.20 and 3,553,100.80

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Solution

The fourth proportional to 5,678,864.80, 8,518,297.20 and 3,553,100.80 is: 5,329,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,678,864.80 : 8,518,297.20 = 3,553,100.80 : x
  2. Step 2: Convert to fraction form
    5,678,864.80/8,518,297.20 = 3,553,100.80/x
  3. Step 3: Cross multiply
    5,678,864.80x = 8,518,297.20 × 3,553,100.80
  4. Step 4: Simplify right side
    5,678,864.80x = 30,266,368,595,957.75
  5. Step 5: Solve for x
    x = 30,266,368,595,957.75/5,678,864.80
  6. Step 6: Final answer
    x = 5,329,651.20

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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.