Home / 3,959,442.45-5,464,030.57-2,148,606.45

Finding the Fourth Proportional to 3,959,442.45, 5,464,030.57 and 2,148,606.45

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Solution

The fourth proportional to 3,959,442.45, 5,464,030.57 and 2,148,606.45 is: 2,965,076.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,959,442.45 : 5,464,030.57 = 2,148,606.45 : x
  2. Step 2: Convert to fraction form
    3,959,442.45/5,464,030.57 = 2,148,606.45/x
  3. Step 3: Cross multiply
    3,959,442.45x = 5,464,030.57 × 2,148,606.45
  4. Step 4: Simplify right side
    3,959,442.45x = 11,740,051,320,327.66
  5. Step 5: Solve for x
    x = 11,740,051,320,327.66/3,959,442.45
  6. Step 6: Final answer
    x = 2,965,076.89

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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.