Home / 5,309,040-7,963,589.16-1,319,952

Finding the Fourth Proportional to 5,309,040, 7,963,589.16 and 1,319,952

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Solution

The fourth proportional to 5,309,040, 7,963,589.16 and 1,319,952 is: 1,979,935.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309,040 : 7,963,589.16 = 1,319,952 : x
  2. Step 2: Convert to fraction form
    5,309,040/7,963,589.16 = 1,319,952/x
  3. Step 3: Cross multiply
    5,309,040x = 7,963,589.16 × 1,319,952
  4. Step 4: Simplify right side
    5,309,040x = 10,511,555,438,920.32
  5. Step 5: Solve for x
    x = 10,511,555,438,920.32/5,309,040
  6. Step 6: Final answer
    x = 1,979,935.25

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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.