Home / 2,378,518.29-3,282,379.29-1,290,799.26

Finding the Fourth Proportional to 2,378,518.29, 3,282,379.29 and 1,290,799.26

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Solution

The fourth proportional to 2,378,518.29, 3,282,379.29 and 1,290,799.26 is: 1,781,316.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378,518.29 : 3,282,379.29 = 1,290,799.26 : x
  2. Step 2: Convert to fraction form
    2,378,518.29/3,282,379.29 = 1,290,799.26/x
  3. Step 3: Cross multiply
    2,378,518.29x = 3,282,379.29 × 1,290,799.26
  4. Step 4: Simplify right side
    2,378,518.29x = 4,236,892,758,571.33
  5. Step 5: Solve for x
    x = 4,236,892,758,571.33/2,378,518.29
  6. Step 6: Final answer
    x = 1,781,316.03

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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.