Home / 3,629,035.80-5,438,304.90-1,605,623.40

Finding the Fourth Proportional to 3,629,035.80, 5,438,304.90 and 1,605,623.40

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Solution

The fourth proportional to 3,629,035.80, 5,438,304.90 and 1,605,623.40 is: 2,406,112.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,629,035.80 : 5,438,304.90 = 1,605,623.40 : x
  2. Step 2: Convert to fraction form
    3,629,035.80/5,438,304.90 = 1,605,623.40/x
  3. Step 3: Cross multiply
    3,629,035.80x = 5,438,304.90 × 1,605,623.40
  4. Step 4: Simplify right side
    3,629,035.80x = 8,731,869,603,774.66
  5. Step 5: Solve for x
    x = 8,731,869,603,774.66/3,629,035.80
  6. Step 6: Final answer
    x = 2,406,112.83

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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.