Home / 2,157,534.32-3,236,828.39-718,214.95

Finding the Fourth Proportional to 2,157,534.32, 3,236,828.39 and 718,214.95

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Solution

The fourth proportional to 2,157,534.32, 3,236,828.39 and 718,214.95 is: 1,077,497.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,157,534.32 : 3,236,828.39 = 718,214.95 : x
  2. Step 2: Convert to fraction form
    2,157,534.32/3,236,828.39 = 718,214.95/x
  3. Step 3: Cross multiply
    2,157,534.32x = 3,236,828.39 × 718,214.95
  4. Step 4: Simplify right side
    2,157,534.32x = 2,324,738,520,507.21
  5. Step 5: Solve for x
    x = 2,324,738,520,507.21/2,157,534.32
  6. Step 6: Final answer
    x = 1,077,497.82

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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.