Home / 3,391,412.57-4,680,148.26-1,863,618.11

Finding the Fourth Proportional to 3,391,412.57, 4,680,148.26 and 1,863,618.11

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Solution

The fourth proportional to 3,391,412.57, 4,680,148.26 and 1,863,618.11 is: 2,571,792.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,391,412.57 : 4,680,148.26 = 1,863,618.11 : x
  2. Step 2: Convert to fraction form
    3,391,412.57/4,680,148.26 = 1,863,618.11/x
  3. Step 3: Cross multiply
    3,391,412.57x = 4,680,148.26 × 1,863,618.11
  4. Step 4: Simplify right side
    3,391,412.57x = 8,722,009,054,820.99
  5. Step 5: Solve for x
    x = 8,722,009,054,820.99/3,391,412.57
  6. Step 6: Final answer
    x = 2,571,792.39

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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.