Home / 2,669,384.99-4,004,592.65-871,785.20

Finding the Fourth Proportional to 2,669,384.99, 4,004,592.65 and 871,785.20

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Solution

The fourth proportional to 2,669,384.99, 4,004,592.65 and 871,785.20 is: 1,307,846.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,669,384.99 : 4,004,592.65 = 871,785.20 : x
  2. Step 2: Convert to fraction form
    2,669,384.99/4,004,592.65 = 871,785.20/x
  3. Step 3: Cross multiply
    2,669,384.99x = 4,004,592.65 × 871,785.20
  4. Step 4: Simplify right side
    2,669,384.99x = 3,491,144,613,220.53
  5. Step 5: Solve for x
    x = 3,491,144,613,220.53/2,669,384.99
  6. Step 6: Final answer
    x = 1,307,846.05

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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.