Home / 3,107,679.40-4,661,792.48-949,191.81

Finding the Fourth Proportional to 3,107,679.40, 4,661,792.48 and 949,191.81

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Solution

The fourth proportional to 3,107,679.40, 4,661,792.48 and 949,191.81 is: 1,423,871.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,107,679.40 : 4,661,792.48 = 949,191.81 : x
  2. Step 2: Convert to fraction form
    3,107,679.40/4,661,792.48 = 949,191.81/x
  3. Step 3: Cross multiply
    3,107,679.40x = 4,661,792.48 × 949,191.81
  4. Step 4: Simplify right side
    3,107,679.40x = 4,424,935,241,935.59
  5. Step 5: Solve for x
    x = 4,424,935,241,935.59/3,107,679.40
  6. Step 6: Final answer
    x = 1,423,871.21

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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.