Home / 1,945,448.50-2,918,185.71-615,752.50

Finding the Fourth Proportional to 1,945,448.50, 2,918,185.71 and 615,752.50

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Solution

The fourth proportional to 1,945,448.50, 2,918,185.71 and 615,752.50 is: 923,632.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945,448.50 : 2,918,185.71 = 615,752.50 : x
  2. Step 2: Convert to fraction form
    1,945,448.50/2,918,185.71 = 615,752.50/x
  3. Step 3: Cross multiply
    1,945,448.50x = 2,918,185.71 × 615,752.50
  4. Step 4: Simplify right side
    1,945,448.50x = 1,796,880,146,396.78
  5. Step 5: Solve for x
    x = 1,796,880,146,396.78/1,945,448.50
  6. Step 6: Final answer
    x = 923,632.85

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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.