Home / 5,217,751.80-7,822,739.70-2,695,217.40

Finding the Fourth Proportional to 5,217,751.80, 7,822,739.70 and 2,695,217.40

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Solution

The fourth proportional to 5,217,751.80, 7,822,739.70 and 2,695,217.40 is: 4,040,817.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,217,751.80 : 7,822,739.70 = 2,695,217.40 : x
  2. Step 2: Convert to fraction form
    5,217,751.80/7,822,739.70 = 2,695,217.40/x
  3. Step 3: Cross multiply
    5,217,751.80x = 7,822,739.70 × 2,695,217.40
  4. Step 4: Simplify right side
    5,217,751.80x = 21,083,984,155,110.78
  5. Step 5: Solve for x
    x = 21,083,984,155,110.78/5,217,751.80
  6. Step 6: Final answer
    x = 4,040,817.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.