Home / 2,199,033.90-3,296,145.15-778,358.70

Finding the Fourth Proportional to 2,199,033.90, 3,296,145.15 and 778,358.70

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Solution

The fourth proportional to 2,199,033.90, 3,296,145.15 and 778,358.70 is: 1,166,686.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199,033.90 : 3,296,145.15 = 778,358.70 : x
  2. Step 2: Convert to fraction form
    2,199,033.90/3,296,145.15 = 778,358.70/x
  3. Step 3: Cross multiply
    2,199,033.90x = 3,296,145.15 × 778,358.70
  4. Step 4: Simplify right side
    2,199,033.90x = 2,565,583,253,965.30
  5. Step 5: Solve for x
    x = 2,565,583,253,965.30/2,199,033.90
  6. Step 6: Final answer
    x = 1,166,686.54

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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.