Home / 2,201,409.70-3,302,114.55-781,609.30

Finding the Fourth Proportional to 2,201,409.70, 3,302,114.55 and 781,609.30

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Solution

The fourth proportional to 2,201,409.70, 3,302,114.55 and 781,609.30 is: 1,172,413.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201,409.70 : 3,302,114.55 = 781,609.30 : x
  2. Step 2: Convert to fraction form
    2,201,409.70/3,302,114.55 = 781,609.30/x
  3. Step 3: Cross multiply
    2,201,409.70x = 3,302,114.55 × 781,609.30
  4. Step 4: Simplify right side
    2,201,409.70x = 2,580,963,441,945.32
  5. Step 5: Solve for x
    x = 2,580,963,441,945.32/2,201,409.70
  6. Step 6: Final answer
    x = 1,172,413.95

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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.