Home / 2,109,935.64-3,164,903.50-512,487.97

Finding the Fourth Proportional to 2,109,935.64, 3,164,903.50 and 512,487.97

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Solution

The fourth proportional to 2,109,935.64, 3,164,903.50 and 512,487.97 is: 768,731.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,935.64 : 3,164,903.50 = 512,487.97 : x
  2. Step 2: Convert to fraction form
    2,109,935.64/3,164,903.50 = 512,487.97/x
  3. Step 3: Cross multiply
    2,109,935.64x = 3,164,903.50 × 512,487.97
  4. Step 4: Simplify right side
    2,109,935.64x = 1,621,974,954,136.38
  5. Step 5: Solve for x
    x = 1,621,974,954,136.38/2,109,935.64
  6. Step 6: Final answer
    x = 768,731.96

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1.5x scale

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.