Home / 2,616,990.70-3,919,187.31-1,772,983.66

Finding the Fourth Proportional to 2,616,990.70, 3,919,187.31 and 1,772,983.66

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Solution

The fourth proportional to 2,616,990.70, 3,919,187.31 and 1,772,983.66 is: 2,655,208.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,616,990.70 : 3,919,187.31 = 1,772,983.66 : x
  2. Step 2: Convert to fraction form
    2,616,990.70/3,919,187.31 = 1,772,983.66/x
  3. Step 3: Cross multiply
    2,616,990.70x = 3,919,187.31 × 1,772,983.66
  4. Step 4: Simplify right side
    2,616,990.70x = 6,948,655,061,109.36
  5. Step 5: Solve for x
    x = 6,948,655,061,109.36/2,616,990.70
  6. Step 6: Final answer
    x = 2,655,208.16

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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.