Home / 2,178,449.10-3,264,684.24-1,378,298.23

Finding the Fourth Proportional to 2,178,449.10, 3,264,684.24 and 1,378,298.23

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Solution

The fourth proportional to 2,178,449.10, 3,264,684.24 and 1,378,298.23 is: 2,065,555.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,449.10 : 3,264,684.24 = 1,378,298.23 : x
  2. Step 2: Convert to fraction form
    2,178,449.10/3,264,684.24 = 1,378,298.23/x
  3. Step 3: Cross multiply
    2,178,449.10x = 3,264,684.24 × 1,378,298.23
  4. Step 4: Simplify right side
    2,178,449.10x = 4,499,708,506,507.80
  5. Step 5: Solve for x
    x = 4,499,708,506,507.80/2,178,449.10
  6. Step 6: Final answer
    x = 2,065,555.95

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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.