Home / 5,120,493.64-7,066,544.34-2,828,635.72

Finding the Fourth Proportional to 5,120,493.64, 7,066,544.34 and 2,828,635.72

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Solution

The fourth proportional to 5,120,493.64, 7,066,544.34 and 2,828,635.72 is: 3,903,662.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,120,493.64 : 7,066,544.34 = 2,828,635.72 : x
  2. Step 2: Convert to fraction form
    5,120,493.64/7,066,544.34 = 2,828,635.72/x
  3. Step 3: Cross multiply
    5,120,493.64x = 7,066,544.34 × 2,828,635.72
  4. Step 4: Simplify right side
    5,120,493.64x = 19,988,679,737,087.82
  5. Step 5: Solve for x
    x = 19,988,679,737,087.82/5,120,493.64
  6. Step 6: Final answer
    x = 3,903,662.64

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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.