Home / 2,979,016.05-4,110,921.09-1,689,828.76

Finding the Fourth Proportional to 2,979,016.05, 4,110,921.09 and 1,689,828.76

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Solution

The fourth proportional to 2,979,016.05, 4,110,921.09 and 1,689,828.76 is: 2,331,895.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,979,016.05 : 4,110,921.09 = 1,689,828.76 : x
  2. Step 2: Convert to fraction form
    2,979,016.05/4,110,921.09 = 1,689,828.76/x
  3. Step 3: Cross multiply
    2,979,016.05x = 4,110,921.09 × 1,689,828.76
  4. Step 4: Simplify right side
    2,979,016.05x = 6,946,752,676,796.59
  5. Step 5: Solve for x
    x = 6,946,752,676,796.59/2,979,016.05
  6. Step 6: Final answer
    x = 2,331,895.01

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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.