Home / 2,520,904.80-3,781,357.20-2,078,037.30

Finding the Fourth Proportional to 2,520,904.80, 3,781,357.20 and 2,078,037.30

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Solution

The fourth proportional to 2,520,904.80, 3,781,357.20 and 2,078,037.30 is: 3,117,055.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,904.80 : 3,781,357.20 = 2,078,037.30 : x
  2. Step 2: Convert to fraction form
    2,520,904.80/3,781,357.20 = 2,078,037.30/x
  3. Step 3: Cross multiply
    2,520,904.80x = 3,781,357.20 × 2,078,037.30
  4. Step 4: Simplify right side
    2,520,904.80x = 7,857,801,306,223.56
  5. Step 5: Solve for x
    x = 7,857,801,306,223.56/2,520,904.80
  6. Step 6: Final answer
    x = 3,117,055.95

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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.