Home / 2,170,643.20-3,256,116.98-654,338.59

Finding the Fourth Proportional to 2,170,643.20, 3,256,116.98 and 654,338.59

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Solution

The fourth proportional to 2,170,643.20, 3,256,116.98 and 654,338.59 is: 981,553.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,643.20 : 3,256,116.98 = 654,338.59 : x
  2. Step 2: Convert to fraction form
    2,170,643.20/3,256,116.98 = 654,338.59/x
  3. Step 3: Cross multiply
    2,170,643.20x = 3,256,116.98 × 654,338.59
  4. Step 4: Simplify right side
    2,170,643.20x = 2,130,602,982,156.27
  5. Step 5: Solve for x
    x = 2,130,602,982,156.27/2,170,643.20
  6. Step 6: Final answer
    x = 981,553.76

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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.