Home / 2,118,866.70-3,178,397.97-699,046.86

Finding the Fourth Proportional to 2,118,866.70, 3,178,397.97 and 699,046.86

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Solution

The fourth proportional to 2,118,866.70, 3,178,397.97 and 699,046.86 is: 1,048,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,118,866.70 : 3,178,397.97 = 699,046.86 : x
  2. Step 2: Convert to fraction form
    2,118,866.70/3,178,397.97 = 699,046.86/x
  3. Step 3: Cross multiply
    2,118,866.70x = 3,178,397.97 × 699,046.86
  4. Step 4: Simplify right side
    2,118,866.70x = 2,221,849,120,758.87
  5. Step 5: Solve for x
    x = 2,221,849,120,758.87/2,118,866.70
  6. Step 6: Final answer
    x = 1,048,602.60

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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.