Home / 1,528,197.80-2,108,874.66-849,136.04

Finding the Fourth Proportional to 1,528,197.80, 2,108,874.66 and 849,136.04

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Solution

The fourth proportional to 1,528,197.80, 2,108,874.66 and 849,136.04 is: 1,171,786.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528,197.80 : 2,108,874.66 = 849,136.04 : x
  2. Step 2: Convert to fraction form
    1,528,197.80/2,108,874.66 = 849,136.04/x
  3. Step 3: Cross multiply
    1,528,197.80x = 2,108,874.66 × 849,136.04
  4. Step 4: Simplify right side
    1,528,197.80x = 1,790,721,477,648.75
  5. Step 5: Solve for x
    x = 1,790,721,477,648.75/1,528,197.80
  6. Step 6: Final answer
    x = 1,171,786.45

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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.