Home / 2,172,930.40-2,998,614.48-1,206,057.76

Finding the Fourth Proportional to 2,172,930.40, 2,998,614.48 and 1,206,057.76

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Solution

The fourth proportional to 2,172,930.40, 2,998,614.48 and 1,206,057.76 is: 1,664,343.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172,930.40 : 2,998,614.48 = 1,206,057.76 : x
  2. Step 2: Convert to fraction form
    2,172,930.40/2,998,614.48 = 1,206,057.76/x
  3. Step 3: Cross multiply
    2,172,930.40x = 2,998,614.48 × 1,206,057.76
  4. Step 4: Simplify right side
    2,172,930.40x = 3,616,502,262,852.37
  5. Step 5: Solve for x
    x = 3,616,502,262,852.37/2,172,930.40
  6. Step 6: Final answer
    x = 1,664,343.35

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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.