Home / 2,018,618.42-2,785,909.47-1,234,144.64

Finding the Fourth Proportional to 2,018,618.42, 2,785,909.47 and 1,234,144.64

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Solution

The fourth proportional to 2,018,618.42, 2,785,909.47 and 1,234,144.64 is: 1,703,251.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,018,618.42 : 2,785,909.47 = 1,234,144.64 : x
  2. Step 2: Convert to fraction form
    2,018,618.42/2,785,909.47 = 1,234,144.64/x
  3. Step 3: Cross multiply
    2,018,618.42x = 2,785,909.47 × 1,234,144.64
  4. Step 4: Simplify right side
    2,018,618.42x = 3,438,215,239,925.74
  5. Step 5: Solve for x
    x = 3,438,215,239,925.74/2,018,618.42
  6. Step 6: Final answer
    x = 1,703,251.69

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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.