Home / 2,664,661.37-3,996,954.92-642,888.31

Finding the Fourth Proportional to 2,664,661.37, 3,996,954.92 and 642,888.31

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Solution

The fourth proportional to 2,664,661.37, 3,996,954.92 and 642,888.31 is: 964,323.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,661.37 : 3,996,954.92 = 642,888.31 : x
  2. Step 2: Convert to fraction form
    2,664,661.37/3,996,954.92 = 642,888.31/x
  3. Step 3: Cross multiply
    2,664,661.37x = 3,996,954.92 × 642,888.31
  4. Step 4: Simplify right side
    2,664,661.37x = 2,569,595,585,279.82
  5. Step 5: Solve for x
    x = 2,569,595,585,279.82/2,664,661.37
  6. Step 6: Final answer
    x = 964,323.50

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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.