Home / 1,581,775.18-2,182,838.85-856,606.30

Finding the Fourth Proportional to 1,581,775.18, 2,182,838.85 and 856,606.30

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Solution

The fourth proportional to 1,581,775.18, 2,182,838.85 and 856,606.30 is: 1,182,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,775.18 : 2,182,838.85 = 856,606.30 : x
  2. Step 2: Convert to fraction form
    1,581,775.18/2,182,838.85 = 856,606.30/x
  3. Step 3: Cross multiply
    1,581,775.18x = 2,182,838.85 × 856,606.30
  4. Step 4: Simplify right side
    1,581,775.18x = 1,869,833,505,337.66
  5. Step 5: Solve for x
    x = 1,869,833,505,337.66/1,581,775.18
  6. Step 6: Final answer
    x = 1,182,110.79

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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.