Home / 2,666,115.50-3,999,587.96-868,580.51

Finding the Fourth Proportional to 2,666,115.50, 3,999,587.96 and 868,580.51

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Solution

The fourth proportional to 2,666,115.50, 3,999,587.96 and 868,580.51 is: 1,303,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,666,115.50 : 3,999,587.96 = 868,580.51 : x
  2. Step 2: Convert to fraction form
    2,666,115.50/3,999,587.96 = 868,580.51/x
  3. Step 3: Cross multiply
    2,666,115.50x = 3,999,587.96 × 868,580.51
  4. Step 4: Simplify right side
    2,666,115.50x = 3,473,964,132,260.17
  5. Step 5: Solve for x
    x = 3,473,964,132,260.17/2,666,115.50
  6. Step 6: Final answer
    x = 1,303,005.87

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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.