Home / 4,885,212.30-7,322,569.65-1,851,405.90

Finding the Fourth Proportional to 4,885,212.30, 7,322,569.65 and 1,851,405.90

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Solution

The fourth proportional to 4,885,212.30, 7,322,569.65 and 1,851,405.90 is: 2,775,119.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885,212.30 : 7,322,569.65 = 1,851,405.90 : x
  2. Step 2: Convert to fraction form
    4,885,212.30/7,322,569.65 = 1,851,405.90/x
  3. Step 3: Cross multiply
    4,885,212.30x = 7,322,569.65 × 1,851,405.90
  4. Step 4: Simplify right side
    4,885,212.30x = 13,557,048,653,170.94
  5. Step 5: Solve for x
    x = 13,557,048,653,170.94/4,885,212.30
  6. Step 6: Final answer
    x = 2,775,119.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.