Home / 2,182,136-3,273,320.64-686,344.64

Finding the Fourth Proportional to 2,182,136, 3,273,320.64 and 686,344.64

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Solution

The fourth proportional to 2,182,136, 3,273,320.64 and 686,344.64 is: 1,029,553.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,182,136 : 3,273,320.64 = 686,344.64 : x
  2. Step 2: Convert to fraction form
    2,182,136/3,273,320.64 = 686,344.64/x
  3. Step 3: Cross multiply
    2,182,136x = 3,273,320.64 × 686,344.64
  4. Step 4: Simplify right side
    2,182,136x = 2,246,626,076,265.37
  5. Step 5: Solve for x
    x = 2,246,626,076,265.37/2,182,136
  6. Step 6: Final answer
    x = 1,029,553.65

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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.