Home / 2,405,143.53-3,318,273.95-1,371,909.15

Finding the Fourth Proportional to 2,405,143.53, 3,318,273.95 and 1,371,909.15

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Solution

The fourth proportional to 2,405,143.53, 3,318,273.95 and 1,371,909.15 is: 1,892,764.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405,143.53 : 3,318,273.95 = 1,371,909.15 : x
  2. Step 2: Convert to fraction form
    2,405,143.53/3,318,273.95 = 1,371,909.15/x
  3. Step 3: Cross multiply
    2,405,143.53x = 3,318,273.95 × 1,371,909.15
  4. Step 4: Simplify right side
    2,405,143.53x = 4,552,370,387,352.10
  5. Step 5: Solve for x
    x = 4,552,370,387,352.10/2,405,143.53
  6. Step 6: Final answer
    x = 1,892,764.54

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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.