Home / 2,928,327.40-4,392,086.10-907,960.60

Finding the Fourth Proportional to 2,928,327.40, 4,392,086.10 and 907,960.60

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Solution

The fourth proportional to 2,928,327.40, 4,392,086.10 and 907,960.60 is: 1,361,815.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928,327.40 : 4,392,086.10 = 907,960.60 : x
  2. Step 2: Convert to fraction form
    2,928,327.40/4,392,086.10 = 907,960.60/x
  3. Step 3: Cross multiply
    2,928,327.40x = 4,392,086.10 × 907,960.60
  4. Step 4: Simplify right side
    2,928,327.40x = 3,987,841,130,607.66
  5. Step 5: Solve for x
    x = 3,987,841,130,607.66/2,928,327.40
  6. Step 6: Final answer
    x = 1,361,815.33

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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.