Home / 6,979,564.96-9,627,865.60-4,078,339.36

Finding the Fourth Proportional to 6,979,564.96, 9,627,865.60 and 4,078,339.36

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Solution

The fourth proportional to 6,979,564.96, 9,627,865.60 and 4,078,339.36 is: 5,625,809.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,979,564.96 : 9,627,865.60 = 4,078,339.36 : x
  2. Step 2: Convert to fraction form
    6,979,564.96/9,627,865.60 = 4,078,339.36/x
  3. Step 3: Cross multiply
    6,979,564.96x = 9,627,865.60 × 4,078,339.36
  4. Step 4: Simplify right side
    6,979,564.96x = 39,265,703,229,270.02
  5. Step 5: Solve for x
    x = 39,265,703,229,270.02/6,979,564.96
  6. Step 6: Final answer
    x = 5,625,809.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.