Home / 3,811,863.40-5,260,647.54-2,520,464.20

Finding the Fourth Proportional to 3,811,863.40, 5,260,647.54 and 2,520,464.20

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Solution

The fourth proportional to 3,811,863.40, 5,260,647.54 and 2,520,464.20 is: 3,478,423.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,811,863.40 : 5,260,647.54 = 2,520,464.20 : x
  2. Step 2: Convert to fraction form
    3,811,863.40/5,260,647.54 = 2,520,464.20/x
  3. Step 3: Cross multiply
    3,811,863.40x = 5,260,647.54 × 2,520,464.20
  4. Step 4: Simplify right side
    3,811,863.40x = 13,259,273,793,388.07
  5. Step 5: Solve for x
    x = 13,259,273,793,388.07/3,811,863.40
  6. Step 6: Final answer
    x = 3,478,423.12

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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.