Home / 1,581,090.32-2,181,894.65-855,932.76

Finding the Fourth Proportional to 1,581,090.32, 2,181,894.65 and 855,932.76

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Solution

The fourth proportional to 1,581,090.32, 2,181,894.65 and 855,932.76 is: 1,181,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,090.32 : 2,181,894.65 = 855,932.76 : x
  2. Step 2: Convert to fraction form
    1,581,090.32/2,181,894.65 = 855,932.76/x
  3. Step 3: Cross multiply
    1,581,090.32x = 2,181,894.65 × 855,932.76
  4. Step 4: Simplify right side
    1,581,090.32x = 1,867,555,105,524.07
  5. Step 5: Solve for x
    x = 1,867,555,105,524.07/1,581,090.32
  6. Step 6: Final answer
    x = 1,181,181.80

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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.