Home / 1,512,116.40-2,268,174.60-1,372,148.40

Finding the Fourth Proportional to 1,512,116.40, 2,268,174.60 and 1,372,148.40

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Solution

The fourth proportional to 1,512,116.40, 2,268,174.60 and 1,372,148.40 is: 2,058,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,116.40 : 2,268,174.60 = 1,372,148.40 : x
  2. Step 2: Convert to fraction form
    1,512,116.40/2,268,174.60 = 1,372,148.40/x
  3. Step 3: Cross multiply
    1,512,116.40x = 2,268,174.60 × 1,372,148.40
  4. Step 4: Simplify right side
    1,512,116.40x = 3,112,272,148,310.64
  5. Step 5: Solve for x
    x = 3,112,272,148,310.64/1,512,116.40
  6. Step 6: Final answer
    x = 2,058,222.60

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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.