Home / 3,216,148.82-4,824,923.07-972,228.50

Finding the Fourth Proportional to 3,216,148.82, 4,824,923.07 and 972,228.50

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Solution

The fourth proportional to 3,216,148.82, 4,824,923.07 and 972,228.50 is: 1,458,554.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216,148.82 : 4,824,923.07 = 972,228.50 : x
  2. Step 2: Convert to fraction form
    3,216,148.82/4,824,923.07 = 972,228.50/x
  3. Step 3: Cross multiply
    3,216,148.82x = 4,824,923.07 × 972,228.50
  4. Step 4: Simplify right side
    3,216,148.82x = 4,690,927,718,961.50
  5. Step 5: Solve for x
    x = 4,690,927,718,961.50/3,216,148.82
  6. Step 6: Final answer
    x = 1,458,554.31

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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.