Home / 3,479,377.80-5,220,378.90-1,683,850.80

Finding the Fourth Proportional to 3,479,377.80, 5,220,378.90 and 1,683,850.80

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Solution

The fourth proportional to 3,479,377.80, 5,220,378.90 and 1,683,850.80 is: 2,526,411.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,377.80 : 5,220,378.90 = 1,683,850.80 : x
  2. Step 2: Convert to fraction form
    3,479,377.80/5,220,378.90 = 1,683,850.80/x
  3. Step 3: Cross multiply
    3,479,377.80x = 5,220,378.90 × 1,683,850.80
  4. Step 4: Simplify right side
    3,479,377.80x = 8,790,339,187,068.12
  5. Step 5: Solve for x
    x = 8,790,339,187,068.12/3,479,377.80
  6. Step 6: Final answer
    x = 2,526,411.24

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1.5x scale

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.