Home / 1,581,603.06-2,182,608.26-856,450.78

Finding the Fourth Proportional to 1,581,603.06, 2,182,608.26 and 856,450.78

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Solution

The fourth proportional to 1,581,603.06, 2,182,608.26 and 856,450.78 is: 1,181,899.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,603.06 : 2,182,608.26 = 856,450.78 : x
  2. Step 2: Convert to fraction form
    1,581,603.06/2,182,608.26 = 856,450.78/x
  3. Step 3: Cross multiply
    1,581,603.06x = 2,182,608.26 × 856,450.78
  4. Step 4: Simplify right side
    1,581,603.06x = 1,869,296,546,711.44
  5. Step 5: Solve for x
    x = 1,869,296,546,711.44/1,581,603.06
  6. Step 6: Final answer
    x = 1,181,899.93

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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.