Home / 2,339,743.78-3,509,740.32-742,431.88

Finding the Fourth Proportional to 2,339,743.78, 3,509,740.32 and 742,431.88

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Solution

The fourth proportional to 2,339,743.78, 3,509,740.32 and 742,431.88 is: 1,113,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339,743.78 : 3,509,740.32 = 742,431.88 : x
  2. Step 2: Convert to fraction form
    2,339,743.78/3,509,740.32 = 742,431.88/x
  3. Step 3: Cross multiply
    2,339,743.78x = 3,509,740.32 × 742,431.88
  4. Step 4: Simplify right side
    2,339,743.78x = 2,605,743,104,089.40
  5. Step 5: Solve for x
    x = 2,605,743,104,089.40/2,339,743.78
  6. Step 6: Final answer
    x = 1,113,687.37

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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.