Home / 3,812,312.09-5,260,843.12-2,069,941.60

Finding the Fourth Proportional to 3,812,312.09, 5,260,843.12 and 2,069,941.60

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Solution

The fourth proportional to 3,812,312.09, 5,260,843.12 and 2,069,941.60 is: 2,856,439.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,812,312.09 : 5,260,843.12 = 2,069,941.60 : x
  2. Step 2: Convert to fraction form
    3,812,312.09/5,260,843.12 = 2,069,941.60/x
  3. Step 3: Cross multiply
    3,812,312.09x = 5,260,843.12 × 2,069,941.60
  4. Step 4: Simplify right side
    3,812,312.09x = 10,889,638,025,161.79
  5. Step 5: Solve for x
    x = 10,889,638,025,161.79/3,812,312.09
  6. Step 6: Final answer
    x = 2,856,439.29

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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.