Home / 2,646,280.32-3,965,743.08-1,381,585.20

Finding the Fourth Proportional to 2,646,280.32, 3,965,743.08 and 1,381,585.20

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Solution

The fourth proportional to 2,646,280.32, 3,965,743.08 and 1,381,585.20 is: 2,070,457.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,646,280.32 : 3,965,743.08 = 1,381,585.20 : x
  2. Step 2: Convert to fraction form
    2,646,280.32/3,965,743.08 = 1,381,585.20/x
  3. Step 3: Cross multiply
    2,646,280.32x = 3,965,743.08 × 1,381,585.20
  4. Step 4: Simplify right side
    2,646,280.32x = 5,479,011,946,330.42
  5. Step 5: Solve for x
    x = 5,479,011,946,330.42/2,646,280.32
  6. Step 6: Final answer
    x = 2,070,457.88

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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.