Home / 2,181,556.74-3,273,829.78-761,612.82

Finding the Fourth Proportional to 2,181,556.74, 3,273,829.78 and 761,612.82

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Solution

The fourth proportional to 2,181,556.74, 3,273,829.78 and 761,612.82 is: 1,142,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181,556.74 : 3,273,829.78 = 761,612.82 : x
  2. Step 2: Convert to fraction form
    2,181,556.74/3,273,829.78 = 761,612.82/x
  3. Step 3: Cross multiply
    2,181,556.74x = 3,273,829.78 × 761,612.82
  4. Step 4: Simplify right side
    2,181,556.74x = 2,493,390,730,945.78
  5. Step 5: Solve for x
    x = 2,493,390,730,945.78/2,181,556.74
  6. Step 6: Final answer
    x = 1,142,941.04

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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.