Home / 3,281,616.40-4,921,963.80-1,037,981.20

Finding the Fourth Proportional to 3,281,616.40, 4,921,963.80 and 1,037,981.20

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Solution

The fourth proportional to 3,281,616.40, 4,921,963.80 and 1,037,981.20 is: 1,556,826.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,281,616.40 : 4,921,963.80 = 1,037,981.20 : x
  2. Step 2: Convert to fraction form
    3,281,616.40/4,921,963.80 = 1,037,981.20/x
  3. Step 3: Cross multiply
    3,281,616.40x = 4,921,963.80 × 1,037,981.20
  4. Step 4: Simplify right side
    3,281,616.40x = 5,108,905,891,480.56
  5. Step 5: Solve for x
    x = 5,108,905,891,480.56/3,281,616.40
  6. Step 6: Final answer
    x = 1,556,826.05

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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.