Home / 3,942,806.40-5,912,827.20-2,048,918.40

Finding the Fourth Proportional to 3,942,806.40, 5,912,827.20 and 2,048,918.40

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Solution

The fourth proportional to 3,942,806.40, 5,912,827.20 and 2,048,918.40 is: 3,072,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,806.40 : 5,912,827.20 = 2,048,918.40 : x
  2. Step 2: Convert to fraction form
    3,942,806.40/5,912,827.20 = 2,048,918.40/x
  3. Step 3: Cross multiply
    3,942,806.40x = 5,912,827.20 × 2,048,918.40
  4. Step 4: Simplify right side
    3,942,806.40x = 12,114,900,446,100.48
  5. Step 5: Solve for x
    x = 12,114,900,446,100.48/3,942,806.40
  6. Step 6: Final answer
    x = 3,072,659.22

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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.