Home / 1,913,991.80-2,868,279.41-1,061,438.42

Finding the Fourth Proportional to 1,913,991.80, 2,868,279.41 and 1,061,438.42

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Solution

The fourth proportional to 1,913,991.80, 2,868,279.41 and 1,061,438.42 is: 1,590,655.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,991.80 : 2,868,279.41 = 1,061,438.42 : x
  2. Step 2: Convert to fraction form
    1,913,991.80/2,868,279.41 = 1,061,438.42/x
  3. Step 3: Cross multiply
    1,913,991.80x = 2,868,279.41 × 1,061,438.42
  4. Step 4: Simplify right side
    1,913,991.80x = 3,044,501,950,727.54
  5. Step 5: Solve for x
    x = 3,044,501,950,727.54/1,913,991.80
  6. Step 6: Final answer
    x = 1,590,655.70

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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.