Home / 2,872,839.06-4,308,907.43-742,744.80

Finding the Fourth Proportional to 2,872,839.06, 4,308,907.43 and 742,744.80

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Solution

The fourth proportional to 2,872,839.06, 4,308,907.43 and 742,744.80 is: 1,114,026.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,872,839.06 : 4,308,907.43 = 742,744.80 : x
  2. Step 2: Convert to fraction form
    2,872,839.06/4,308,907.43 = 742,744.80/x
  3. Step 3: Cross multiply
    2,872,839.06x = 4,308,907.43 × 742,744.80
  4. Step 4: Simplify right side
    2,872,839.06x = 3,200,418,587,313.86
  5. Step 5: Solve for x
    x = 3,200,418,587,313.86/2,872,839.06
  6. Step 6: Final answer
    x = 1,114,026.41

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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.