Home / 4,213,565.28-5,814,678.69-2,279,783.43

Finding the Fourth Proportional to 4,213,565.28, 5,814,678.69 and 2,279,783.43

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Solution

The fourth proportional to 4,213,565.28, 5,814,678.69 and 2,279,783.43 is: 3,146,078.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213,565.28 : 5,814,678.69 = 2,279,783.43 : x
  2. Step 2: Convert to fraction form
    4,213,565.28/5,814,678.69 = 2,279,783.43/x
  3. Step 3: Cross multiply
    4,213,565.28x = 5,814,678.69 × 2,279,783.43
  4. Step 4: Simplify right side
    4,213,565.28x = 13,256,208,128,236.11
  5. Step 5: Solve for x
    x = 13,256,208,128,236.11/4,213,565.28
  6. Step 6: Final answer
    x = 3,146,078.74

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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.