Home / 4,950,432.80-7,418,564.40-2,816,007.20

Finding the Fourth Proportional to 4,950,432.80, 7,418,564.40 and 2,816,007.20

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Solution

The fourth proportional to 4,950,432.80, 7,418,564.40 and 2,816,007.20 is: 4,219,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,950,432.80 : 7,418,564.40 = 2,816,007.20 : x
  2. Step 2: Convert to fraction form
    4,950,432.80/7,418,564.40 = 2,816,007.20/x
  3. Step 3: Cross multiply
    4,950,432.80x = 7,418,564.40 × 2,816,007.20
  4. Step 4: Simplify right side
    4,950,432.80x = 20,890,730,764,063.68
  5. Step 5: Solve for x
    x = 20,890,730,764,063.68/4,950,432.80
  6. Step 6: Final answer
    x = 4,219,980.68

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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.