Home / 2,642,861.64-3,647,869.38-1,555,482

Finding the Fourth Proportional to 2,642,861.64, 3,647,869.38 and 1,555,482

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Solution

The fourth proportional to 2,642,861.64, 3,647,869.38 and 1,555,482 is: 2,146,989.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,642,861.64 : 3,647,869.38 = 1,555,482 : x
  2. Step 2: Convert to fraction form
    2,642,861.64/3,647,869.38 = 1,555,482/x
  3. Step 3: Cross multiply
    2,642,861.64x = 3,647,869.38 × 1,555,482
  4. Step 4: Simplify right side
    2,642,861.64x = 5,674,195,158,941.16
  5. Step 5: Solve for x
    x = 5,674,195,158,941.16/2,642,861.64
  6. Step 6: Final answer
    x = 2,146,989.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.