Home / 3,218,822.10-4,828,233.15-2,155,065.30

Finding the Fourth Proportional to 3,218,822.10, 4,828,233.15 and 2,155,065.30

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Solution

The fourth proportional to 3,218,822.10, 4,828,233.15 and 2,155,065.30 is: 3,232,597.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,218,822.10 : 4,828,233.15 = 2,155,065.30 : x
  2. Step 2: Convert to fraction form
    3,218,822.10/4,828,233.15 = 2,155,065.30/x
  3. Step 3: Cross multiply
    3,218,822.10x = 4,828,233.15 × 2,155,065.30
  4. Step 4: Simplify right side
    3,218,822.10x = 10,405,157,721,874.70
  5. Step 5: Solve for x
    x = 10,405,157,721,874.70/3,218,822.10
  6. Step 6: Final answer
    x = 3,232,597.95

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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.