Home / 2,772,014.10-4,161,131.55-2,143,713.30

Finding the Fourth Proportional to 2,772,014.10, 4,161,131.55 and 2,143,713.30

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Solution

The fourth proportional to 2,772,014.10, 4,161,131.55 and 2,143,713.30 is: 3,217,975.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,772,014.10 : 4,161,131.55 = 2,143,713.30 : x
  2. Step 2: Convert to fraction form
    2,772,014.10/4,161,131.55 = 2,143,713.30/x
  3. Step 3: Cross multiply
    2,772,014.10x = 4,161,131.55 × 2,143,713.30
  4. Step 4: Simplify right side
    2,772,014.10x = 8,920,273,046,784.61
  5. Step 5: Solve for x
    x = 8,920,273,046,784.61/2,772,014.10
  6. Step 6: Final answer
    x = 3,217,975.35

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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.