Home / 3,889,897.82-5,363,069.03-3,189,598.55

Finding the Fourth Proportional to 3,889,897.82, 5,363,069.03 and 3,189,598.55

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Solution

The fourth proportional to 3,889,897.82, 5,363,069.03 and 3,189,598.55 is: 4,397,554.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,897.82 : 5,363,069.03 = 3,189,598.55 : x
  2. Step 2: Convert to fraction form
    3,889,897.82/5,363,069.03 = 3,189,598.55/x
  3. Step 3: Cross multiply
    3,889,897.82x = 5,363,069.03 × 3,189,598.55
  4. Step 4: Simplify right side
    3,889,897.82x = 17,106,037,158,874.57
  5. Step 5: Solve for x
    x = 17,106,037,158,874.57/3,889,897.82
  6. Step 6: Final answer
    x = 4,397,554.38

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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.