Home / 4,429,379.80-6,644,069.70-2,189,891.80

Finding the Fourth Proportional to 4,429,379.80, 6,644,069.70 and 2,189,891.80

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Solution

The fourth proportional to 4,429,379.80, 6,644,069.70 and 2,189,891.80 is: 3,284,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429,379.80 : 6,644,069.70 = 2,189,891.80 : x
  2. Step 2: Convert to fraction form
    4,429,379.80/6,644,069.70 = 2,189,891.80/x
  3. Step 3: Cross multiply
    4,429,379.80x = 6,644,069.70 × 2,189,891.80
  4. Step 4: Simplify right side
    4,429,379.80x = 14,549,793,754,658.46
  5. Step 5: Solve for x
    x = 14,549,793,754,658.46/4,429,379.80
  6. Step 6: Final answer
    x = 3,284,837.70

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Similar ratio
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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.