Home / 2,665,707.85-3,674,850.72-1,900,432.81

Finding the Fourth Proportional to 2,665,707.85, 3,674,850.72 and 1,900,432.81

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Solution

The fourth proportional to 2,665,707.85, 3,674,850.72 and 1,900,432.81 is: 2,619,869.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,665,707.85 : 3,674,850.72 = 1,900,432.81 : x
  2. Step 2: Convert to fraction form
    2,665,707.85/3,674,850.72 = 1,900,432.81/x
  3. Step 3: Cross multiply
    2,665,707.85x = 3,674,850.72 × 1,900,432.81
  4. Step 4: Simplify right side
    2,665,707.85x = 6,983,806,861,765.87
  5. Step 5: Solve for x
    x = 6,983,806,861,765.87/2,665,707.85
  6. Step 6: Final answer
    x = 2,619,869.57

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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.