Home / 2,115,493.25-2,919,439.80-1,148,682.51

Finding the Fourth Proportional to 2,115,493.25, 2,919,439.80 and 1,148,682.51

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Solution

The fourth proportional to 2,115,493.25, 2,919,439.80 and 1,148,682.51 is: 1,585,213.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,115,493.25 : 2,919,439.80 = 1,148,682.51 : x
  2. Step 2: Convert to fraction form
    2,115,493.25/2,919,439.80 = 1,148,682.51/x
  3. Step 3: Cross multiply
    2,115,493.25x = 2,919,439.80 × 1,148,682.51
  4. Step 4: Simplify right side
    2,115,493.25x = 3,353,509,437,257.90
  5. Step 5: Solve for x
    x = 3,353,509,437,257.90/2,115,493.25
  6. Step 6: Final answer
    x = 1,585,213.97

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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.