Home / 2,648,427.31-3,972,833.64-1,109,878.36

Finding the Fourth Proportional to 2,648,427.31, 3,972,833.64 and 1,109,878.36

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Solution

The fourth proportional to 2,648,427.31, 3,972,833.64 and 1,109,878.36 is: 1,664,898.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648,427.31 : 3,972,833.64 = 1,109,878.36 : x
  2. Step 2: Convert to fraction form
    2,648,427.31/3,972,833.64 = 1,109,878.36/x
  3. Step 3: Cross multiply
    2,648,427.31x = 3,972,833.64 × 1,109,878.36
  4. Step 4: Simplify right side
    2,648,427.31x = 4,409,362,097,455.14
  5. Step 5: Solve for x
    x = 4,409,362,097,455.14/2,648,427.31
  6. Step 6: Final answer
    x = 1,664,898.29

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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.