Home / 5,117,439.78-7,061,881.50-2,825,551.26

Finding the Fourth Proportional to 5,117,439.78, 7,061,881.50 and 2,825,551.26

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Solution

The fourth proportional to 5,117,439.78, 7,061,881.50 and 2,825,551.26 is: 3,899,158.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117,439.78 : 7,061,881.50 = 2,825,551.26 : x
  2. Step 2: Convert to fraction form
    5,117,439.78/7,061,881.50 = 2,825,551.26/x
  3. Step 3: Cross multiply
    5,117,439.78x = 7,061,881.50 × 2,825,551.26
  4. Step 4: Simplify right side
    5,117,439.78x = 19,953,708,170,295.69
  5. Step 5: Solve for x
    x = 19,953,708,170,295.69/5,117,439.78
  6. Step 6: Final answer
    x = 3,899,158.37

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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.