Home / 2,011,878.20-3,017,817.30-1,878,033.80

Finding the Fourth Proportional to 2,011,878.20, 3,017,817.30 and 1,878,033.80

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Solution

The fourth proportional to 2,011,878.20, 3,017,817.30 and 1,878,033.80 is: 2,817,050.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,878.20 : 3,017,817.30 = 1,878,033.80 : x
  2. Step 2: Convert to fraction form
    2,011,878.20/3,017,817.30 = 1,878,033.80/x
  3. Step 3: Cross multiply
    2,011,878.20x = 3,017,817.30 × 1,878,033.80
  4. Step 4: Simplify right side
    2,011,878.20x = 5,667,562,891,624.74
  5. Step 5: Solve for x
    x = 5,667,562,891,624.74/2,011,878.20
  6. Step 6: Final answer
    x = 2,817,050.70

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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.