Home / 5,177,655.95-7,145,173.04-2,885,767.43

Finding the Fourth Proportional to 5,177,655.95, 7,145,173.04 and 2,885,767.43

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Solution

The fourth proportional to 5,177,655.95, 7,145,173.04 and 2,885,767.43 is: 3,982,363.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,655.95 : 7,145,173.04 = 2,885,767.43 : x
  2. Step 2: Convert to fraction form
    5,177,655.95/7,145,173.04 = 2,885,767.43/x
  3. Step 3: Cross multiply
    5,177,655.95x = 7,145,173.04 × 2,885,767.43
  4. Step 4: Simplify right side
    5,177,655.95x = 20,619,307,590,391.38
  5. Step 5: Solve for x
    x = 20,619,307,590,391.38/5,177,655.95
  6. Step 6: Final answer
    x = 3,982,363.41

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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.