Home / 3,531,985.20-5,292,534.60-2,629,191.60

Finding the Fourth Proportional to 3,531,985.20, 5,292,534.60 and 2,629,191.60

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Solution

The fourth proportional to 3,531,985.20, 5,292,534.60 and 2,629,191.60 is: 3,939,735.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,985.20 : 5,292,534.60 = 2,629,191.60 : x
  2. Step 2: Convert to fraction form
    3,531,985.20/5,292,534.60 = 2,629,191.60/x
  3. Step 3: Cross multiply
    3,531,985.20x = 5,292,534.60 × 2,629,191.60
  4. Step 4: Simplify right side
    3,531,985.20x = 13,915,087,513,029.36
  5. Step 5: Solve for x
    x = 13,915,087,513,029.36/3,531,985.20
  6. Step 6: Final answer
    x = 3,939,735.51

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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.