Home / 3,851,627.60-5,775,886.20-1,325,982.80

Finding the Fourth Proportional to 3,851,627.60, 5,775,886.20 and 1,325,982.80

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Solution

The fourth proportional to 3,851,627.60, 5,775,886.20 and 1,325,982.80 is: 1,988,438.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,851,627.60 : 5,775,886.20 = 1,325,982.80 : x
  2. Step 2: Convert to fraction form
    3,851,627.60/5,775,886.20 = 1,325,982.80/x
  3. Step 3: Cross multiply
    3,851,627.60x = 5,775,886.20 × 1,325,982.80
  4. Step 4: Simplify right side
    3,851,627.60x = 7,658,725,755,957.36
  5. Step 5: Solve for x
    x = 7,658,725,755,957.36/3,851,627.60
  6. Step 6: Final answer
    x = 1,988,438.80

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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.