Home / 5,308,649.25-7,963,003.04-1,319,561.25

Finding the Fourth Proportional to 5,308,649.25, 7,963,003.04 and 1,319,561.25

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Solution

The fourth proportional to 5,308,649.25, 7,963,003.04 and 1,319,561.25 is: 1,979,349.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,308,649.25 : 7,963,003.04 = 1,319,561.25 : x
  2. Step 2: Convert to fraction form
    5,308,649.25/7,963,003.04 = 1,319,561.25/x
  3. Step 3: Cross multiply
    5,308,649.25x = 7,963,003.04 × 1,319,561.25
  4. Step 4: Simplify right side
    5,308,649.25x = 10,507,670,238,618.39
  5. Step 5: Solve for x
    x = 10,507,670,238,618.39/5,308,649.25
  6. Step 6: Final answer
    x = 1,979,349.12

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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.