Home / 2,160,655.74-2,981,624.40-1,193,765.31

Finding the Fourth Proportional to 2,160,655.74, 2,981,624.40 and 1,193,765.31

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Solution

The fourth proportional to 2,160,655.74, 2,981,624.40 and 1,193,765.31 is: 1,647,351.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,655.74 : 2,981,624.40 = 1,193,765.31 : x
  2. Step 2: Convert to fraction form
    2,160,655.74/2,981,624.40 = 1,193,765.31/x
  3. Step 3: Cross multiply
    2,160,655.74x = 2,981,624.40 × 1,193,765.31
  4. Step 4: Simplify right side
    2,160,655.74x = 3,559,359,776,169.56
  5. Step 5: Solve for x
    x = 3,559,359,776,169.56/2,160,655.74
  6. Step 6: Final answer
    x = 1,647,351.64

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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.