Home / 2,171,247.12-3,255,995.52-654,460.56

Finding the Fourth Proportional to 2,171,247.12, 3,255,995.52 and 654,460.56

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Solution

The fourth proportional to 2,171,247.12, 3,255,995.52 and 654,460.56 is: 981,427.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,247.12 : 3,255,995.52 = 654,460.56 : x
  2. Step 2: Convert to fraction form
    2,171,247.12/3,255,995.52 = 654,460.56/x
  3. Step 3: Cross multiply
    2,171,247.12x = 3,255,995.52 × 654,460.56
  4. Step 4: Simplify right side
    2,171,247.12x = 2,130,920,651,376.69
  5. Step 5: Solve for x
    x = 2,130,920,651,376.69/2,171,247.12
  6. Step 6: Final answer
    x = 981,427.05

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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.