Home / 3,100,776.21-4,280,240.34-1,812,035.43

Finding the Fourth Proportional to 3,100,776.21, 4,280,240.34 and 1,812,035.43

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Solution

The fourth proportional to 3,100,776.21, 4,280,240.34 and 1,812,035.43 is: 2,501,292.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,100,776.21 : 4,280,240.34 = 1,812,035.43 : x
  2. Step 2: Convert to fraction form
    3,100,776.21/4,280,240.34 = 1,812,035.43/x
  3. Step 3: Cross multiply
    3,100,776.21x = 4,280,240.34 × 1,812,035.43
  4. Step 4: Simplify right side
    3,100,776.21x = 7,755,947,144,995.25
  5. Step 5: Solve for x
    x = 7,755,947,144,995.25/3,100,776.21
  6. Step 6: Final answer
    x = 2,501,292.13

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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.