Home / 3,210,234.20-4,816,929.18-1,291,068.80

Finding the Fourth Proportional to 3,210,234.20, 4,816,929.18 and 1,291,068.80

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Solution

The fourth proportional to 3,210,234.20, 4,816,929.18 and 1,291,068.80 is: 1,937,237.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,210,234.20 : 4,816,929.18 = 1,291,068.80 : x
  2. Step 2: Convert to fraction form
    3,210,234.20/4,816,929.18 = 1,291,068.80/x
  3. Step 3: Cross multiply
    3,210,234.20x = 4,816,929.18 × 1,291,068.80
  4. Step 4: Simplify right side
    3,210,234.20x = 6,218,986,976,107.58
  5. Step 5: Solve for x
    x = 6,218,986,976,107.58/3,210,234.20
  6. Step 6: Final answer
    x = 1,937,237.78

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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.