Home / 1,918,255.34-2,874,639.80-1,408,819.08

Finding the Fourth Proportional to 1,918,255.34, 2,874,639.80 and 1,408,819.08

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Solution

The fourth proportional to 1,918,255.34, 2,874,639.80 and 1,408,819.08 is: 2,111,213.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,918,255.34 : 2,874,639.80 = 1,408,819.08 : x
  2. Step 2: Convert to fraction form
    1,918,255.34/2,874,639.80 = 1,408,819.08/x
  3. Step 3: Cross multiply
    1,918,255.34x = 2,874,639.80 × 1,408,819.08
  4. Step 4: Simplify right side
    1,918,255.34x = 4,049,847,398,367.38
  5. Step 5: Solve for x
    x = 4,049,847,398,367.38/1,918,255.34
  6. Step 6: Final answer
    x = 2,111,213.93

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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.