Home / 5,308,989-7,963,513.20-1,319,901

Finding the Fourth Proportional to 5,308,989, 7,963,513.20 and 1,319,901

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Solution

The fourth proportional to 5,308,989, 7,963,513.20 and 1,319,901 is: 1,979,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308,989 : 7,963,513.20 = 1,319,901 : x
  2. Step 2: Convert to fraction form
    5,308,989/7,963,513.20 = 1,319,901/x
  3. Step 3: Cross multiply
    5,308,989x = 7,963,513.20 × 1,319,901
  4. Step 4: Simplify right side
    5,308,989x = 10,511,049,036,193.20
  5. Step 5: Solve for x
    x = 10,511,049,036,193.20/5,308,989
  6. Step 6: Final answer
    x = 1,979,858.88

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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.