Home / 2,160,680.19-2,981,658.29-1,193,789.67

Finding the Fourth Proportional to 2,160,680.19, 2,981,658.29 and 1,193,789.67

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Solution

The fourth proportional to 2,160,680.19, 2,981,658.29 and 1,193,789.67 is: 1,647,385.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,160,680.19 : 2,981,658.29 = 1,193,789.67 : x
  2. Step 2: Convert to fraction form
    2,160,680.19/2,981,658.29 = 1,193,789.67/x
  3. Step 3: Cross multiply
    2,160,680.19x = 2,981,658.29 × 1,193,789.67
  4. Step 4: Simplify right side
    2,160,680.19x = 3,559,472,866,071.86
  5. Step 5: Solve for x
    x = 3,559,472,866,071.86/2,160,680.19
  6. Step 6: Final answer
    x = 1,647,385.34

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Double scale
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1.5x scale

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.