Home / 2,021,287.28-3,030,331.56-758,974.32

Finding the Fourth Proportional to 2,021,287.28, 3,030,331.56 and 758,974.32

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Solution

The fourth proportional to 2,021,287.28, 3,030,331.56 and 758,974.32 is: 1,137,860.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,287.28 : 3,030,331.56 = 758,974.32 : x
  2. Step 2: Convert to fraction form
    2,021,287.28/3,030,331.56 = 758,974.32/x
  3. Step 3: Cross multiply
    2,021,287.28x = 3,030,331.56 × 758,974.32
  4. Step 4: Simplify right side
    2,021,287.28x = 2,299,943,835,125.54
  5. Step 5: Solve for x
    x = 2,299,943,835,125.54/2,021,287.28
  6. Step 6: Final answer
    x = 1,137,860.94

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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.