Home / 6,116,589.73-8,442,178.21-3,879,920.53

Finding the Fourth Proportional to 6,116,589.73, 8,442,178.21 and 3,879,920.53

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Solution

The fourth proportional to 6,116,589.73, 8,442,178.21 and 3,879,920.53 is: 5,355,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,116,589.73 : 8,442,178.21 = 3,879,920.53 : x
  2. Step 2: Convert to fraction form
    6,116,589.73/8,442,178.21 = 3,879,920.53/x
  3. Step 3: Cross multiply
    6,116,589.73x = 8,442,178.21 × 3,879,920.53
  4. Step 4: Simplify right side
    6,116,589.73x = 32,754,980,554,897.65
  5. Step 5: Solve for x
    x = 32,754,980,554,897.65/6,116,589.73
  6. Step 6: Final answer
    x = 5,355,105.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.