Home / 2,136,314.49-2,948,113.78-1,169,445.44

Finding the Fourth Proportional to 2,136,314.49, 2,948,113.78 and 1,169,445.44

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Solution

The fourth proportional to 2,136,314.49, 2,948,113.78 and 1,169,445.44 is: 1,613,834.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,314.49 : 2,948,113.78 = 1,169,445.44 : x
  2. Step 2: Convert to fraction form
    2,136,314.49/2,948,113.78 = 1,169,445.44/x
  3. Step 3: Cross multiply
    2,136,314.49x = 2,948,113.78 × 1,169,445.44
  4. Step 4: Simplify right side
    2,136,314.49x = 3,447,658,198,957.98
  5. Step 5: Solve for x
    x = 3,447,658,198,957.98/2,136,314.49
  6. Step 6: Final answer
    x = 1,613,834.58

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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.