Home / 3,289,115.40-4,930,562.70-1,942,312.20

Finding the Fourth Proportional to 3,289,115.40, 4,930,562.70 and 1,942,312.20

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Solution

The fourth proportional to 3,289,115.40, 4,930,562.70 and 1,942,312.20 is: 2,911,631.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,115.40 : 4,930,562.70 = 1,942,312.20 : x
  2. Step 2: Convert to fraction form
    3,289,115.40/4,930,562.70 = 1,942,312.20/x
  3. Step 3: Cross multiply
    3,289,115.40x = 4,930,562.70 × 1,942,312.20
  4. Step 4: Simplify right side
    3,289,115.40x = 9,576,692,085,074.94
  5. Step 5: Solve for x
    x = 9,576,692,085,074.94/3,289,115.40
  6. Step 6: Final answer
    x = 2,911,631.52

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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.