Home / 6,246,623.10-9,369,934.65-1,987,221.90

Finding the Fourth Proportional to 6,246,623.10, 9,369,934.65 and 1,987,221.90

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Solution

The fourth proportional to 6,246,623.10, 9,369,934.65 and 1,987,221.90 is: 2,980,832.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,246,623.10 : 9,369,934.65 = 1,987,221.90 : x
  2. Step 2: Convert to fraction form
    6,246,623.10/9,369,934.65 = 1,987,221.90/x
  3. Step 3: Cross multiply
    6,246,623.10x = 9,369,934.65 × 1,987,221.90
  4. Step 4: Simplify right side
    6,246,623.10x = 18,620,139,338,048.84
  5. Step 5: Solve for x
    x = 18,620,139,338,048.84/6,246,623.10
  6. Step 6: Final answer
    x = 2,980,832.85

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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.