Home / 3,987,897.91-5,503,271.12-2,177,061.91

Finding the Fourth Proportional to 3,987,897.91, 5,503,271.12 and 2,177,061.91

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Solution

The fourth proportional to 3,987,897.91, 5,503,271.12 and 2,177,061.91 is: 3,004,330.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,987,897.91 : 5,503,271.12 = 2,177,061.91 : x
  2. Step 2: Convert to fraction form
    3,987,897.91/5,503,271.12 = 2,177,061.91/x
  3. Step 3: Cross multiply
    3,987,897.91x = 5,503,271.12 × 2,177,061.91
  4. Step 4: Simplify right side
    3,987,897.91x = 11,980,961,919,275.54
  5. Step 5: Solve for x
    x = 11,980,961,919,275.54/3,987,897.91
  6. Step 6: Final answer
    x = 3,004,330.15

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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.