Home / 5,113,462.78-7,056,728.36-2,790,504.98

Finding the Fourth Proportional to 5,113,462.78, 7,056,728.36 and 2,790,504.98

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Solution

The fourth proportional to 5,113,462.78, 7,056,728.36 and 2,790,504.98 is: 3,850,978.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113,462.78 : 7,056,728.36 = 2,790,504.98 : x
  2. Step 2: Convert to fraction form
    5,113,462.78/7,056,728.36 = 2,790,504.98/x
  3. Step 3: Cross multiply
    5,113,462.78x = 7,056,728.36 × 2,790,504.98
  4. Step 4: Simplify right side
    5,113,462.78x = 19,691,835,595,803.59
  5. Step 5: Solve for x
    x = 19,691,835,595,803.59/5,113,462.78
  6. Step 6: Final answer
    x = 3,850,978.58

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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.