Home / 2,923,612.90-4,385,855.45-1,216,784.40

Finding the Fourth Proportional to 2,923,612.90, 4,385,855.45 and 1,216,784.40

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Solution

The fourth proportional to 2,923,612.90, 4,385,855.45 and 1,216,784.40 is: 1,825,358.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,923,612.90 : 4,385,855.45 = 1,216,784.40 : x
  2. Step 2: Convert to fraction form
    2,923,612.90/4,385,855.45 = 1,216,784.40/x
  3. Step 3: Cross multiply
    2,923,612.90x = 4,385,855.45 × 1,216,784.40
  4. Step 4: Simplify right side
    2,923,612.90x = 5,336,640,471,965.57
  5. Step 5: Solve for x
    x = 5,336,640,471,965.57/2,923,612.90
  6. Step 6: Final answer
    x = 1,825,358.09

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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.