Home / 2,015,694.40-2,781,662.08-1,097,920.70

Finding the Fourth Proportional to 2,015,694.40, 2,781,662.08 and 1,097,920.70

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Solution

The fourth proportional to 2,015,694.40, 2,781,662.08 and 1,097,920.70 is: 1,515,132.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,015,694.40 : 2,781,662.08 = 1,097,920.70 : x
  2. Step 2: Convert to fraction form
    2,015,694.40/2,781,662.08 = 1,097,920.70/x
  3. Step 3: Cross multiply
    2,015,694.40x = 2,781,662.08 × 1,097,920.70
  4. Step 4: Simplify right side
    2,015,694.40x = 3,054,044,378,037.06
  5. Step 5: Solve for x
    x = 3,054,044,378,037.06/2,015,694.40
  6. Step 6: Final answer
    x = 1,515,132.64

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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.