Home / 2,188,733.76-3,020,503.68-1,372,971.96

Finding the Fourth Proportional to 2,188,733.76, 3,020,503.68 and 1,372,971.96

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Solution

The fourth proportional to 2,188,733.76, 3,020,503.68 and 1,372,971.96 is: 1,894,733.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,188,733.76 : 3,020,503.68 = 1,372,971.96 : x
  2. Step 2: Convert to fraction form
    2,188,733.76/3,020,503.68 = 1,372,971.96/x
  3. Step 3: Cross multiply
    2,188,733.76x = 3,020,503.68 × 1,372,971.96
  4. Step 4: Simplify right side
    2,188,733.76x = 4,147,066,857,716.81
  5. Step 5: Solve for x
    x = 4,147,066,857,716.81/2,188,733.76
  6. Step 6: Final answer
    x = 1,894,733.35

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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.