Home / 6,786,813.60-9,365,983.20-3,689,546.40

Finding the Fourth Proportional to 6,786,813.60, 9,365,983.20 and 3,689,546.40

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Solution

The fourth proportional to 6,786,813.60, 9,365,983.20 and 3,689,546.40 is: 5,091,672.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,786,813.60 : 9,365,983.20 = 3,689,546.40 : x
  2. Step 2: Convert to fraction form
    6,786,813.60/9,365,983.20 = 3,689,546.40/x
  3. Step 3: Cross multiply
    6,786,813.60x = 9,365,983.20 × 3,689,546.40
  4. Step 4: Simplify right side
    6,786,813.60x = 34,556,229,598,020.48
  5. Step 5: Solve for x
    x = 34,556,229,598,020.48/6,786,813.60
  6. Step 6: Final answer
    x = 5,091,672.12

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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.