Home / 3,280,551.20-4,920,826.80-1,768,896.80

Finding the Fourth Proportional to 3,280,551.20, 4,920,826.80 and 1,768,896.80

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Solution

The fourth proportional to 3,280,551.20, 4,920,826.80 and 1,768,896.80 is: 2,653,345.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,551.20 : 4,920,826.80 = 1,768,896.80 : x
  2. Step 2: Convert to fraction form
    3,280,551.20/4,920,826.80 = 1,768,896.80/x
  3. Step 3: Cross multiply
    3,280,551.20x = 4,920,826.80 × 1,768,896.80
  4. Step 4: Simplify right side
    3,280,551.20x = 8,704,434,779,874.24
  5. Step 5: Solve for x
    x = 8,704,434,779,874.24/3,280,551.20
  6. Step 6: Final answer
    x = 2,653,345.20

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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.