Home / 3,888,655.20-5,825,109.60-2,203,790.40

Finding the Fourth Proportional to 3,888,655.20, 5,825,109.60 and 2,203,790.40

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Solution

The fourth proportional to 3,888,655.20, 5,825,109.60 and 2,203,790.40 is: 3,301,223.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,888,655.20 : 5,825,109.60 = 2,203,790.40 : x
  2. Step 2: Convert to fraction form
    3,888,655.20/5,825,109.60 = 2,203,790.40/x
  3. Step 3: Cross multiply
    3,888,655.20x = 5,825,109.60 × 2,203,790.40
  4. Step 4: Simplify right side
    3,888,655.20x = 12,837,320,615,427.84
  5. Step 5: Solve for x
    x = 12,837,320,615,427.84/3,888,655.20
  6. Step 6: Final answer
    x = 3,301,223.68

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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.