Home / 1,581,823.45-2,182,905.39-856,654.57

Finding the Fourth Proportional to 1,581,823.45, 2,182,905.39 and 856,654.57

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Solution

The fourth proportional to 1,581,823.45, 2,182,905.39 and 856,654.57 is: 1,182,177.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,823.45 : 2,182,905.39 = 856,654.57 : x
  2. Step 2: Convert to fraction form
    1,581,823.45/2,182,905.39 = 856,654.57/x
  3. Step 3: Cross multiply
    1,581,823.45x = 2,182,905.39 × 856,654.57
  4. Step 4: Simplify right side
    1,581,823.45x = 1,869,995,878,221.13
  5. Step 5: Solve for x
    x = 1,869,995,878,221.13/1,581,823.45
  6. Step 6: Final answer
    x = 1,182,177.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.