Home / 5,160,996.92-7,738,506.47-1,748,139.68

Finding the Fourth Proportional to 5,160,996.92, 7,738,506.47 and 1,748,139.68

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Solution

The fourth proportional to 5,160,996.92, 7,738,506.47 and 1,748,139.68 is: 2,621,197.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160,996.92 : 7,738,506.47 = 1,748,139.68 : x
  2. Step 2: Convert to fraction form
    5,160,996.92/7,738,506.47 = 1,748,139.68/x
  3. Step 3: Cross multiply
    5,160,996.92x = 7,738,506.47 × 1,748,139.68
  4. Step 4: Simplify right side
    5,160,996.92x = 13,527,990,189,821.55
  5. Step 5: Solve for x
    x = 13,527,990,189,821.55/5,160,996.92
  6. Step 6: Final answer
    x = 2,621,197.11

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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.