Home / 3,978,234.90-5,971,526.22-3,525,721.38

Finding the Fourth Proportional to 3,978,234.90, 5,971,526.22 and 3,525,721.38

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Solution

The fourth proportional to 3,978,234.90, 5,971,526.22 and 3,525,721.38 is: 5,292,281.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,978,234.90 : 5,971,526.22 = 3,525,721.38 : x
  2. Step 2: Convert to fraction form
    3,978,234.90/5,971,526.22 = 3,525,721.38/x
  3. Step 3: Cross multiply
    3,978,234.90x = 5,971,526.22 × 3,525,721.38
  4. Step 4: Simplify right side
    3,978,234.90x = 21,053,937,665,084.58
  5. Step 5: Solve for x
    x = 21,053,937,665,084.58/3,978,234.90
  6. Step 6: Final answer
    x = 5,292,281.17

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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.