Home / 6,476,980.10-9,715,470.15-1,988,672.90

Finding the Fourth Proportional to 6,476,980.10, 9,715,470.15 and 1,988,672.90

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Solution

The fourth proportional to 6,476,980.10, 9,715,470.15 and 1,988,672.90 is: 2,983,009.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476,980.10 : 9,715,470.15 = 1,988,672.90 : x
  2. Step 2: Convert to fraction form
    6,476,980.10/9,715,470.15 = 1,988,672.90/x
  3. Step 3: Cross multiply
    6,476,980.10x = 9,715,470.15 × 1,988,672.90
  4. Step 4: Simplify right side
    6,476,980.10x = 19,320,892,198,063.93
  5. Step 5: Solve for x
    x = 19,320,892,198,063.93/6,476,980.10
  6. Step 6: Final answer
    x = 2,983,009.35

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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.