Home / 1,787,517.40-2,686,524.90-1,556,570.20

Finding the Fourth Proportional to 1,787,517.40, 2,686,524.90 and 1,556,570.20

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Solution

The fourth proportional to 1,787,517.40, 2,686,524.90 and 1,556,570.20 is: 2,339,425.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,517.40 : 2,686,524.90 = 1,556,570.20 : x
  2. Step 2: Convert to fraction form
    1,787,517.40/2,686,524.90 = 1,556,570.20/x
  3. Step 3: Cross multiply
    1,787,517.40x = 2,686,524.90 × 1,556,570.20
  4. Step 4: Simplify right side
    1,787,517.40x = 4,181,764,600,897.98
  5. Step 5: Solve for x
    x = 4,181,764,600,897.98/1,787,517.40
  6. Step 6: Final answer
    x = 2,339,425.96

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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.