Home / 3,637,138.86-5,019,211.62-2,005,689.60

Finding the Fourth Proportional to 3,637,138.86, 5,019,211.62 and 2,005,689.60

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Solution

The fourth proportional to 3,637,138.86, 5,019,211.62 and 2,005,689.60 is: 2,767,829.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,637,138.86 : 5,019,211.62 = 2,005,689.60 : x
  2. Step 2: Convert to fraction form
    3,637,138.86/5,019,211.62 = 2,005,689.60/x
  3. Step 3: Cross multiply
    3,637,138.86x = 5,019,211.62 × 2,005,689.60
  4. Step 4: Simplify right side
    3,637,138.86x = 10,066,980,546,433.15
  5. Step 5: Solve for x
    x = 10,066,980,546,433.15/3,637,138.86
  6. Step 6: Final answer
    x = 2,767,829.59

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Double scale
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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.