Home / 1,910,064.68-2,864,785.53-561,912.11

Finding the Fourth Proportional to 1,910,064.68, 2,864,785.53 and 561,912.11

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Solution

The fourth proportional to 1,910,064.68, 2,864,785.53 and 561,912.11 is: 842,776.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,910,064.68 : 2,864,785.53 = 561,912.11 : x
  2. Step 2: Convert to fraction form
    1,910,064.68/2,864,785.53 = 561,912.11/x
  3. Step 3: Cross multiply
    1,910,064.68x = 2,864,785.53 × 561,912.11
  4. Step 4: Simplify right side
    1,910,064.68x = 1,609,757,681,859.77
  5. Step 5: Solve for x
    x = 1,609,757,681,859.77/1,910,064.68
  6. Step 6: Final answer
    x = 842,776.53

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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.