Home / 3,478,841.16-5,219,504.74-2,115,388.86

Finding the Fourth Proportional to 3,478,841.16, 5,219,504.74 and 2,115,388.86

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Solution

The fourth proportional to 3,478,841.16, 5,219,504.74 and 2,115,388.86 is: 3,173,839.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,478,841.16 : 5,219,504.74 = 2,115,388.86 : x
  2. Step 2: Convert to fraction form
    3,478,841.16/5,219,504.74 = 2,115,388.86/x
  3. Step 3: Cross multiply
    3,478,841.16x = 5,219,504.74 × 2,115,388.86
  4. Step 4: Simplify right side
    3,478,841.16x = 11,041,282,181,713.20
  5. Step 5: Solve for x
    x = 11,041,282,181,713.20/3,478,841.16
  6. Step 6: Final answer
    x = 3,173,839.12

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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.