Home / 2,018,621.42-2,785,913.62-1,234,147.64

Finding the Fourth Proportional to 2,018,621.42, 2,785,913.62 and 1,234,147.64

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Solution

The fourth proportional to 2,018,621.42, 2,785,913.62 and 1,234,147.64 is: 1,703,255.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,621.42 : 2,785,913.62 = 1,234,147.64 : x
  2. Step 2: Convert to fraction form
    2,018,621.42/2,785,913.62 = 1,234,147.64/x
  3. Step 3: Cross multiply
    2,018,621.42x = 2,785,913.62 × 1,234,147.64
  4. Step 4: Simplify right side
    2,018,621.42x = 3,438,228,719,366.86
  5. Step 5: Solve for x
    x = 3,438,228,719,366.86/2,018,621.42
  6. Step 6: Final answer
    x = 1,703,255.84

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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.