Home / 1,971,535.30-2,958,344.87-1,398,859.59

Finding the Fourth Proportional to 1,971,535.30, 2,958,344.87 and 1,398,859.59

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Solution

The fourth proportional to 1,971,535.30, 2,958,344.87 and 1,398,859.59 is: 2,099,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,535.30 : 2,958,344.87 = 1,398,859.59 : x
  2. Step 2: Convert to fraction form
    1,971,535.30/2,958,344.87 = 1,398,859.59/x
  3. Step 3: Cross multiply
    1,971,535.30x = 2,958,344.87 × 1,398,859.59
  4. Step 4: Simplify right side
    1,971,535.30x = 4,138,309,077,135.08
  5. Step 5: Solve for x
    x = 4,138,309,077,135.08/1,971,535.30
  6. Step 6: Final answer
    x = 2,099,028.65

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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.