Home / 1,911,198.19-2,637,453.89-1,051,758.45

Finding the Fourth Proportional to 1,911,198.19, 2,637,453.89 and 1,051,758.45

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Solution

The fourth proportional to 1,911,198.19, 2,637,453.89 and 1,051,758.45 is: 1,451,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,198.19 : 2,637,453.89 = 1,051,758.45 : x
  2. Step 2: Convert to fraction form
    1,911,198.19/2,637,453.89 = 1,051,758.45/x
  3. Step 3: Cross multiply
    1,911,198.19x = 2,637,453.89 × 1,051,758.45
  4. Step 4: Simplify right side
    1,911,198.19x = 2,773,964,415,292.87
  5. Step 5: Solve for x
    x = 2,773,964,415,292.87/1,911,198.19
  6. Step 6: Final answer
    x = 1,451,426.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.