Home / 5,055,379.46-6,976,470.06-2,879,890.40

Finding the Fourth Proportional to 5,055,379.46, 6,976,470.06 and 2,879,890.40

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Solution

The fourth proportional to 5,055,379.46, 6,976,470.06 and 2,879,890.40 is: 3,974,275.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055,379.46 : 6,976,470.06 = 2,879,890.40 : x
  2. Step 2: Convert to fraction form
    5,055,379.46/6,976,470.06 = 2,879,890.40/x
  3. Step 3: Cross multiply
    5,055,379.46x = 6,976,470.06 × 2,879,890.40
  4. Step 4: Simplify right side
    5,055,379.46x = 20,091,469,151,681.42
  5. Step 5: Solve for x
    x = 20,091,469,151,681.42/5,055,379.46
  6. Step 6: Final answer
    x = 3,974,275.19

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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.