Home / 3,176,400.50-4,765,490.12-1,284,470.54

Finding the Fourth Proportional to 3,176,400.50, 4,765,490.12 and 1,284,470.54

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Solution

The fourth proportional to 3,176,400.50, 4,765,490.12 and 1,284,470.54 is: 1,927,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,176,400.50 : 4,765,490.12 = 1,284,470.54 : x
  2. Step 2: Convert to fraction form
    3,176,400.50/4,765,490.12 = 1,284,470.54/x
  3. Step 3: Cross multiply
    3,176,400.50x = 4,765,490.12 × 1,284,470.54
  4. Step 4: Simplify right side
    3,176,400.50x = 6,121,131,667,801.07
  5. Step 5: Solve for x
    x = 6,121,131,667,801.07/3,176,400.50
  6. Step 6: Final answer
    x = 1,927,065.45

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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.