Home / 2,162,878.40-3,246,160.80-966,641.60

Finding the Fourth Proportional to 2,162,878.40, 3,246,160.80 and 966,641.60

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Solution

The fourth proportional to 2,162,878.40, 3,246,160.80 and 966,641.60 is: 1,450,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,162,878.40 : 3,246,160.80 = 966,641.60 : x
  2. Step 2: Convert to fraction form
    2,162,878.40/3,246,160.80 = 966,641.60/x
  3. Step 3: Cross multiply
    2,162,878.40x = 3,246,160.80 × 966,641.60
  4. Step 4: Simplify right side
    2,162,878.40x = 3,137,874,069,569.28
  5. Step 5: Solve for x
    x = 3,137,874,069,569.28/2,162,878.40
  6. Step 6: Final answer
    x = 1,450,786.17

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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.