Home / 2,686,891.40-4,030,250.70-889,857.80

Finding the Fourth Proportional to 2,686,891.40, 4,030,250.70 and 889,857.80

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Solution

The fourth proportional to 2,686,891.40, 4,030,250.70 and 889,857.80 is: 1,334,758.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686,891.40 : 4,030,250.70 = 889,857.80 : x
  2. Step 2: Convert to fraction form
    2,686,891.40/4,030,250.70 = 889,857.80/x
  3. Step 3: Cross multiply
    2,686,891.40x = 4,030,250.70 × 889,857.80
  4. Step 4: Simplify right side
    2,686,891.40x = 3,586,350,021,350.46
  5. Step 5: Solve for x
    x = 3,586,350,021,350.46/2,686,891.40
  6. Step 6: Final answer
    x = 1,334,758.09

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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.