Home / 1,581,190.66-2,182,027.98-856,019.53

Finding the Fourth Proportional to 1,581,190.66, 2,182,027.98 and 856,019.53

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Solution

The fourth proportional to 1,581,190.66, 2,182,027.98 and 856,019.53 is: 1,181,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,190.66 : 2,182,027.98 = 856,019.53 : x
  2. Step 2: Convert to fraction form
    1,581,190.66/2,182,027.98 = 856,019.53/x
  3. Step 3: Cross multiply
    1,581,190.66x = 2,182,027.98 × 856,019.53
  4. Step 4: Simplify right side
    1,581,190.66x = 1,867,858,565,886.45
  5. Step 5: Solve for x
    x = 1,867,858,565,886.45/1,581,190.66
  6. Step 6: Final answer
    x = 1,181,298.76

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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.