Home / 3,136,709.20-4,705,063.80-1,873,886.80

Finding the Fourth Proportional to 3,136,709.20, 4,705,063.80 and 1,873,886.80

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Solution

The fourth proportional to 3,136,709.20, 4,705,063.80 and 1,873,886.80 is: 2,810,830.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,136,709.20 : 4,705,063.80 = 1,873,886.80 : x
  2. Step 2: Convert to fraction form
    3,136,709.20/4,705,063.80 = 1,873,886.80/x
  3. Step 3: Cross multiply
    3,136,709.20x = 4,705,063.80 × 1,873,886.80
  4. Step 4: Simplify right side
    3,136,709.20x = 8,816,756,947,977.84
  5. Step 5: Solve for x
    x = 8,816,756,947,977.84/3,136,709.20
  6. Step 6: Final answer
    x = 2,810,830.20

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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.