Home / 3,870,979.26-5,341,365.30-2,216,869.14

Finding the Fourth Proportional to 3,870,979.26, 5,341,365.30 and 2,216,869.14

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Solution

The fourth proportional to 3,870,979.26, 5,341,365.30 and 2,216,869.14 is: 3,058,943.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,870,979.26 : 5,341,365.30 = 2,216,869.14 : x
  2. Step 2: Convert to fraction form
    3,870,979.26/5,341,365.30 = 2,216,869.14/x
  3. Step 3: Cross multiply
    3,870,979.26x = 5,341,365.30 × 2,216,869.14
  4. Step 4: Simplify right side
    3,870,979.26x = 11,841,107,899,036.84
  5. Step 5: Solve for x
    x = 11,841,107,899,036.84/3,870,979.26
  6. Step 6: Final answer
    x = 3,058,943.77

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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.