Home / 5,177,535.16-7,767,423.83-1,982,661.48

Finding the Fourth Proportional to 5,177,535.16, 7,767,423.83 and 1,982,661.48

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Solution

The fourth proportional to 5,177,535.16, 7,767,423.83 and 1,982,661.48 is: 2,974,421.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177,535.16 : 7,767,423.83 = 1,982,661.48 : x
  2. Step 2: Convert to fraction form
    5,177,535.16/7,767,423.83 = 1,982,661.48/x
  3. Step 3: Cross multiply
    5,177,535.16x = 7,767,423.83 × 1,982,661.48
  4. Step 4: Simplify right side
    5,177,535.16x = 15,400,172,026,575.07
  5. Step 5: Solve for x
    x = 15,400,172,026,575.07/5,177,535.16
  6. Step 6: Final answer
    x = 2,974,421.53

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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.