Home / 5,389,453.49-8,079,398.39-1,976,955.14

Finding the Fourth Proportional to 5,389,453.49, 8,079,398.39 and 1,976,955.14

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Solution

The fourth proportional to 5,389,453.49, 8,079,398.39 and 1,976,955.14 is: 2,963,678.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389,453.49 : 8,079,398.39 = 1,976,955.14 : x
  2. Step 2: Convert to fraction form
    5,389,453.49/8,079,398.39 = 1,976,955.14/x
  3. Step 3: Cross multiply
    5,389,453.49x = 8,079,398.39 × 1,976,955.14
  4. Step 4: Simplify right side
    5,389,453.49x = 15,972,608,200,359.11
  5. Step 5: Solve for x
    x = 15,972,608,200,359.11/5,389,453.49
  6. Step 6: Final answer
    x = 2,963,678.64

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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.