Home / 3,918,024.08-5,406,576.60-2,198,812.45

Finding the Fourth Proportional to 3,918,024.08, 5,406,576.60 and 2,198,812.45

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Solution

The fourth proportional to 3,918,024.08, 5,406,576.60 and 2,198,812.45 is: 3,034,194.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,918,024.08 : 5,406,576.60 = 2,198,812.45 : x
  2. Step 2: Convert to fraction form
    3,918,024.08/5,406,576.60 = 2,198,812.45/x
  3. Step 3: Cross multiply
    3,918,024.08x = 5,406,576.60 × 2,198,812.45
  4. Step 4: Simplify right side
    3,918,024.08x = 11,888,047,939,958.67
  5. Step 5: Solve for x
    x = 11,888,047,939,958.67/3,918,024.08
  6. Step 6: Final answer
    x = 3,034,194.71

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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.