Home / 5,177,644.67-7,145,157.52-2,885,756.15

Finding the Fourth Proportional to 5,177,644.67, 7,145,157.52 and 2,885,756.15

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Solution

The fourth proportional to 5,177,644.67, 7,145,157.52 and 2,885,756.15 is: 3,982,347.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,644.67 : 7,145,157.52 = 2,885,756.15 : x
  2. Step 2: Convert to fraction form
    5,177,644.67/7,145,157.52 = 2,885,756.15/x
  3. Step 3: Cross multiply
    5,177,644.67x = 7,145,157.52 × 2,885,756.15
  4. Step 4: Simplify right side
    5,177,644.67x = 20,619,182,277,528.84
  5. Step 5: Solve for x
    x = 20,619,182,277,528.84/5,177,644.67
  6. Step 6: Final answer
    x = 3,982,347.88

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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.