Home / 2,115,698.49-3,173,769.17-695,865.28

Finding the Fourth Proportional to 2,115,698.49, 3,173,769.17 and 695,865.28

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Solution

The fourth proportional to 2,115,698.49, 3,173,769.17 and 695,865.28 is: 1,043,870.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,698.49 : 3,173,769.17 = 695,865.28 : x
  2. Step 2: Convert to fraction form
    2,115,698.49/3,173,769.17 = 695,865.28/x
  3. Step 3: Cross multiply
    2,115,698.49x = 3,173,769.17 × 695,865.28
  4. Step 4: Simplify right side
    2,115,698.49x = 2,208,515,772,137.42
  5. Step 5: Solve for x
    x = 2,208,515,772,137.42/2,115,698.49
  6. Step 6: Final answer
    x = 1,043,870.75

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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.