Home / 2,290,217.80-3,436,638.90-871,292.20

Finding the Fourth Proportional to 2,290,217.80, 3,436,638.90 and 871,292.20

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Solution

The fourth proportional to 2,290,217.80, 3,436,638.90 and 871,292.20 is: 1,307,437.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,290,217.80 : 3,436,638.90 = 871,292.20 : x
  2. Step 2: Convert to fraction form
    2,290,217.80/3,436,638.90 = 871,292.20/x
  3. Step 3: Cross multiply
    2,290,217.80x = 3,436,638.90 × 871,292.20
  4. Step 4: Simplify right side
    2,290,217.80x = 2,994,316,667,786.58
  5. Step 5: Solve for x
    x = 2,994,316,667,786.58/2,290,217.80
  6. Step 6: Final answer
    x = 1,307,437.51

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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.