Home / 2,571,734.91-3,857,762.77-678,478.17

Finding the Fourth Proportional to 2,571,734.91, 3,857,762.77 and 678,478.17

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Solution

The fourth proportional to 2,571,734.91, 3,857,762.77 and 678,478.17 is: 1,017,759.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571,734.91 : 3,857,762.77 = 678,478.17 : x
  2. Step 2: Convert to fraction form
    2,571,734.91/3,857,762.77 = 678,478.17/x
  3. Step 3: Cross multiply
    2,571,734.91x = 3,857,762.77 × 678,478.17
  4. Step 4: Simplify right side
    2,571,734.91x = 2,617,407,837,254.15
  5. Step 5: Solve for x
    x = 2,617,407,837,254.15/2,571,734.91
  6. Step 6: Final answer
    x = 1,017,759.58

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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.