Home / 1,581,191.16-2,182,028.67-856,020.03

Finding the Fourth Proportional to 1,581,191.16, 2,182,028.67 and 856,020.03

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Solution

The fourth proportional to 1,581,191.16, 2,182,028.67 and 856,020.03 is: 1,181,299.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,191.16 : 2,182,028.67 = 856,020.03 : x
  2. Step 2: Convert to fraction form
    1,581,191.16/2,182,028.67 = 856,020.03/x
  3. Step 3: Cross multiply
    1,581,191.16x = 2,182,028.67 × 856,020.03
  4. Step 4: Simplify right side
    1,581,191.16x = 1,867,860,247,554.26
  5. Step 5: Solve for x
    x = 1,867,860,247,554.26/1,581,191.16
  6. Step 6: Final answer
    x = 1,181,299.45

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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.