Home / 2,141,284.20-3,211,926.30-878,461.80

Finding the Fourth Proportional to 2,141,284.20, 3,211,926.30 and 878,461.80

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Solution

The fourth proportional to 2,141,284.20, 3,211,926.30 and 878,461.80 is: 1,317,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,141,284.20 : 3,211,926.30 = 878,461.80 : x
  2. Step 2: Convert to fraction form
    2,141,284.20/3,211,926.30 = 878,461.80/x
  3. Step 3: Cross multiply
    2,141,284.20x = 3,211,926.30 × 878,461.80
  4. Step 4: Simplify right side
    2,141,284.20x = 2,821,554,558,965.34
  5. Step 5: Solve for x
    x = 2,821,554,558,965.34/2,141,284.20
  6. Step 6: Final answer
    x = 1,317,692.70

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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.