Home / 3,780,986.90-5,666,296.35-2,428,999.70

Finding the Fourth Proportional to 3,780,986.90, 5,666,296.35 and 2,428,999.70

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Solution

The fourth proportional to 3,780,986.90, 5,666,296.35 and 2,428,999.70 is: 3,640,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,780,986.90 : 5,666,296.35 = 2,428,999.70 : x
  2. Step 2: Convert to fraction form
    3,780,986.90/5,666,296.35 = 2,428,999.70/x
  3. Step 3: Cross multiply
    3,780,986.90x = 5,666,296.35 × 2,428,999.70
  4. Step 4: Simplify right side
    3,780,986.90x = 13,763,432,134,261.10
  5. Step 5: Solve for x
    x = 13,763,432,134,261.10/3,780,986.90
  6. Step 6: Final answer
    x = 3,640,169.22

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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.