Home / 2,719,201.60-4,079,968.80-1,389,505.60

Finding the Fourth Proportional to 2,719,201.60, 4,079,968.80 and 1,389,505.60

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Solution

The fourth proportional to 2,719,201.60, 4,079,968.80 and 1,389,505.60 is: 2,084,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,719,201.60 : 4,079,968.80 = 1,389,505.60 : x
  2. Step 2: Convert to fraction form
    2,719,201.60/4,079,968.80 = 1,389,505.60/x
  3. Step 3: Cross multiply
    2,719,201.60x = 4,079,968.80 × 1,389,505.60
  4. Step 4: Simplify right side
    2,719,201.60x = 5,669,139,495,425.28
  5. Step 5: Solve for x
    x = 5,669,139,495,425.28/2,719,201.60
  6. Step 6: Final answer
    x = 2,084,854.43

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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.