Home / 3,747,172.13-5,168,939.02-2,255,985.69

Finding the Fourth Proportional to 3,747,172.13, 5,168,939.02 and 2,255,985.69

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Solution

The fourth proportional to 3,747,172.13, 5,168,939.02 and 2,255,985.69 is: 3,111,960.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747,172.13 : 5,168,939.02 = 2,255,985.69 : x
  2. Step 2: Convert to fraction form
    3,747,172.13/5,168,939.02 = 2,255,985.69/x
  3. Step 3: Cross multiply
    3,747,172.13x = 5,168,939.02 × 2,255,985.69
  4. Step 4: Simplify right side
    3,747,172.13x = 11,661,052,486,537.02
  5. Step 5: Solve for x
    x = 11,661,052,486,537.02/3,747,172.13
  6. Step 6: Final answer
    x = 3,111,960.72

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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.