Home / 6,641,479.92-9,963,619.56-2,153,406

Finding the Fourth Proportional to 6,641,479.92, 9,963,619.56 and 2,153,406

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Solution

The fourth proportional to 6,641,479.92, 9,963,619.56 and 2,153,406 is: 3,230,562.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,641,479.92 : 9,963,619.56 = 2,153,406 : x
  2. Step 2: Convert to fraction form
    6,641,479.92/9,963,619.56 = 2,153,406/x
  3. Step 3: Cross multiply
    6,641,479.92x = 9,963,619.56 × 2,153,406
  4. Step 4: Simplify right side
    6,641,479.92x = 21,455,718,142,221.36
  5. Step 5: Solve for x
    x = 21,455,718,142,221.36/6,641,479.92
  6. Step 6: Final answer
    x = 3,230,562.83

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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.