Home / 2,178,651.28-3,006,478.40-1,185,186.14

Finding the Fourth Proportional to 2,178,651.28, 3,006,478.40 and 1,185,186.14

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Solution

The fourth proportional to 2,178,651.28, 3,006,478.40 and 1,185,186.14 is: 1,635,524.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,651.28 : 3,006,478.40 = 1,185,186.14 : x
  2. Step 2: Convert to fraction form
    2,178,651.28/3,006,478.40 = 1,185,186.14/x
  3. Step 3: Cross multiply
    2,178,651.28x = 3,006,478.40 × 1,185,186.14
  4. Step 4: Simplify right side
    2,178,651.28x = 3,563,236,532,509.17
  5. Step 5: Solve for x
    x = 3,563,236,532,509.17/2,178,651.28
  6. Step 6: Final answer
    x = 1,635,524.04

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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.