Home / 3,938,238.56-5,435,780.40-2,565,004.25

Finding the Fourth Proportional to 3,938,238.56, 5,435,780.40 and 2,565,004.25

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Solution

The fourth proportional to 3,938,238.56, 5,435,780.40 and 2,565,004.25 is: 3,540,364.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938,238.56 : 5,435,780.40 = 2,565,004.25 : x
  2. Step 2: Convert to fraction form
    3,938,238.56/5,435,780.40 = 2,565,004.25/x
  3. Step 3: Cross multiply
    3,938,238.56x = 5,435,780.40 × 2,565,004.25
  4. Step 4: Simplify right side
    3,938,238.56x = 13,942,799,800,887.80
  5. Step 5: Solve for x
    x = 13,942,799,800,887.80/3,938,238.56
  6. Step 6: Final answer
    x = 3,540,364.46

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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.