Home / 2,578,726.08-3,868,084.68-685,467.60

Finding the Fourth Proportional to 2,578,726.08, 3,868,084.68 and 685,467.60

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Solution

The fourth proportional to 2,578,726.08, 3,868,084.68 and 685,467.60 is: 1,028,200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,578,726.08 : 3,868,084.68 = 685,467.60 : x
  2. Step 2: Convert to fraction form
    2,578,726.08/3,868,084.68 = 685,467.60/x
  3. Step 3: Cross multiply
    2,578,726.08x = 3,868,084.68 × 685,467.60
  4. Step 4: Simplify right side
    2,578,726.08x = 2,651,446,722,196.37
  5. Step 5: Solve for x
    x = 2,651,446,722,196.37/2,578,726.08
  6. Step 6: Final answer
    x = 1,028,200.22

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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.