Home / 2,600,114.80-3,900,172.20-1,340,402.80

Finding the Fourth Proportional to 2,600,114.80, 3,900,172.20 and 1,340,402.80

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Solution

The fourth proportional to 2,600,114.80, 3,900,172.20 and 1,340,402.80 is: 2,010,604.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,114.80 : 3,900,172.20 = 1,340,402.80 : x
  2. Step 2: Convert to fraction form
    2,600,114.80/3,900,172.20 = 1,340,402.80/x
  3. Step 3: Cross multiply
    2,600,114.80x = 3,900,172.20 × 1,340,402.80
  4. Step 4: Simplify right side
    2,600,114.80x = 5,227,801,737,362.16
  5. Step 5: Solve for x
    x = 5,227,801,737,362.16/2,600,114.80
  6. Step 6: Final answer
    x = 2,010,604.20

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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.