Home / 3,549,730.40-5,321,485.20-2,128,277.60

Finding the Fourth Proportional to 3,549,730.40, 5,321,485.20 and 2,128,277.60

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Solution

The fourth proportional to 3,549,730.40, 5,321,485.20 and 2,128,277.60 is: 3,190,551.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,549,730.40 : 5,321,485.20 = 2,128,277.60 : x
  2. Step 2: Convert to fraction form
    3,549,730.40/5,321,485.20 = 2,128,277.60/x
  3. Step 3: Cross multiply
    3,549,730.40x = 5,321,485.20 × 2,128,277.60
  4. Step 4: Simplify right side
    3,549,730.40x = 11,325,597,749,891.52
  5. Step 5: Solve for x
    x = 11,325,597,749,891.52/3,549,730.40
  6. Step 6: Final answer
    x = 3,190,551.53

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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.