Home / 3,136,805.70-4,705,208.55-1,873,983.30

Finding the Fourth Proportional to 3,136,805.70, 4,705,208.55 and 1,873,983.30

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Solution

The fourth proportional to 3,136,805.70, 4,705,208.55 and 1,873,983.30 is: 2,810,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,805.70 : 4,705,208.55 = 1,873,983.30 : x
  2. Step 2: Convert to fraction form
    3,136,805.70/4,705,208.55 = 1,873,983.30/x
  3. Step 3: Cross multiply
    3,136,805.70x = 4,705,208.55 × 1,873,983.30
  4. Step 4: Simplify right side
    3,136,805.70x = 8,817,482,245,717.22
  5. Step 5: Solve for x
    x = 8,817,482,245,717.22/3,136,805.70
  6. Step 6: Final answer
    x = 2,810,974.95

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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.