Home / 2,666,304.90-4,000,040.55-1,319,112.90

Finding the Fourth Proportional to 2,666,304.90, 4,000,040.55 and 1,319,112.90

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Solution

The fourth proportional to 2,666,304.90, 4,000,040.55 and 1,319,112.90 is: 1,978,957.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,304.90 : 4,000,040.55 = 1,319,112.90 : x
  2. Step 2: Convert to fraction form
    2,666,304.90/4,000,040.55 = 1,319,112.90/x
  3. Step 3: Cross multiply
    2,666,304.90x = 4,000,040.55 × 1,319,112.90
  4. Step 4: Simplify right side
    2,666,304.90x = 5,276,505,090,028.10
  5. Step 5: Solve for x
    x = 5,276,505,090,028.10/2,666,304.90
  6. Step 6: Final answer
    x = 1,978,957.88

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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.