Home / 2,109,935.77-3,164,903.69-512,488.09

Finding the Fourth Proportional to 2,109,935.77, 3,164,903.69 and 512,488.09

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Solution

The fourth proportional to 2,109,935.77, 3,164,903.69 and 512,488.09 is: 768,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,109,935.77 : 3,164,903.69 = 512,488.09 : x
  2. Step 2: Convert to fraction form
    2,109,935.77/3,164,903.69 = 512,488.09/x
  3. Step 3: Cross multiply
    2,109,935.77x = 3,164,903.69 × 512,488.09
  4. Step 4: Simplify right side
    2,109,935.77x = 1,621,975,447,122.05
  5. Step 5: Solve for x
    x = 1,621,975,447,122.05/2,109,935.77
  6. Step 6: Final answer
    x = 768,732.15

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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.