Home / 2,170,943.56-3,255,540.54-654,157

Finding the Fourth Proportional to 2,170,943.56, 3,255,540.54 and 654,157

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Solution

The fourth proportional to 2,170,943.56, 3,255,540.54 and 654,157 is: 980,971.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,170,943.56 : 3,255,540.54 = 654,157 : x
  2. Step 2: Convert to fraction form
    2,170,943.56/3,255,540.54 = 654,157/x
  3. Step 3: Cross multiply
    2,170,943.56x = 3,255,540.54 × 654,157
  4. Step 4: Simplify right side
    2,170,943.56x = 2,129,634,633,024.78
  5. Step 5: Solve for x
    x = 2,129,634,633,024.78/2,170,943.56
  6. Step 6: Final answer
    x = 980,971.90

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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.