Home / 5,308,990-7,963,514.70-1,319,902

Finding the Fourth Proportional to 5,308,990, 7,963,514.70 and 1,319,902

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Solution

The fourth proportional to 5,308,990, 7,963,514.70 and 1,319,902 is: 1,979,860.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308,990 : 7,963,514.70 = 1,319,902 : x
  2. Step 2: Convert to fraction form
    5,308,990/7,963,514.70 = 1,319,902/x
  3. Step 3: Cross multiply
    5,308,990x = 7,963,514.70 × 1,319,902
  4. Step 4: Simplify right side
    5,308,990x = 10,511,058,979,559.40
  5. Step 5: Solve for x
    x = 10,511,058,979,559.40/5,308,990
  6. Step 6: Final answer
    x = 1,979,860.38

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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.