Home / 2,126,778.31-3,190,151.06-529,330.63

Finding the Fourth Proportional to 2,126,778.31, 3,190,151.06 and 529,330.63

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Solution

The fourth proportional to 2,126,778.31, 3,190,151.06 and 529,330.63 is: 793,991.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,778.31 : 3,190,151.06 = 529,330.63 : x
  2. Step 2: Convert to fraction form
    2,126,778.31/3,190,151.06 = 529,330.63/x
  3. Step 3: Cross multiply
    2,126,778.31x = 3,190,151.06 × 529,330.63
  4. Step 4: Simplify right side
    2,126,778.31x = 1,688,644,670,384.97
  5. Step 5: Solve for x
    x = 1,688,644,670,384.97/2,126,778.31
  6. Step 6: Final answer
    x = 793,991.86

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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.