Home / 2,445,902.80-3,665,743.80-2,178,408.40

Finding the Fourth Proportional to 2,445,902.80, 3,665,743.80 and 2,178,408.40

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Solution

The fourth proportional to 2,445,902.80, 3,665,743.80 and 2,178,408.40 is: 3,264,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445,902.80 : 3,665,743.80 = 2,178,408.40 : x
  2. Step 2: Convert to fraction form
    2,445,902.80/3,665,743.80 = 2,178,408.40/x
  3. Step 3: Cross multiply
    2,445,902.80x = 3,665,743.80 × 2,178,408.40
  4. Step 4: Simplify right side
    2,445,902.80x = 7,985,487,086,167.92
  5. Step 5: Solve for x
    x = 7,985,487,086,167.92/2,445,902.80
  6. Step 6: Final answer
    x = 3,264,842.37

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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.