Home / 2,915,136.78-4,022,878.32-1,625,976.18

Finding the Fourth Proportional to 2,915,136.78, 4,022,878.32 and 1,625,976.18

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Solution

The fourth proportional to 2,915,136.78, 4,022,878.32 and 1,625,976.18 is: 2,243,841.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,915,136.78 : 4,022,878.32 = 1,625,976.18 : x
  2. Step 2: Convert to fraction form
    2,915,136.78/4,022,878.32 = 1,625,976.18/x
  3. Step 3: Cross multiply
    2,915,136.78x = 4,022,878.32 × 1,625,976.18
  4. Step 4: Simplify right side
    2,915,136.78x = 6,541,104,323,358.42
  5. Step 5: Solve for x
    x = 6,541,104,323,358.42/2,915,136.78
  6. Step 6: Final answer
    x = 2,243,841.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.