Home / 3,280,600.80-4,921,678.80-1,683,410.40

Finding the Fourth Proportional to 3,280,600.80, 4,921,678.80 and 1,683,410.40

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Solution

The fourth proportional to 3,280,600.80, 4,921,678.80 and 1,683,410.40 is: 2,525,514.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,600.80 : 4,921,678.80 = 1,683,410.40 : x
  2. Step 2: Convert to fraction form
    3,280,600.80/4,921,678.80 = 1,683,410.40/x
  3. Step 3: Cross multiply
    3,280,600.80x = 4,921,678.80 × 1,683,410.40
  4. Step 4: Simplify right side
    3,280,600.80x = 8,285,205,277,379.52
  5. Step 5: Solve for x
    x = 8,285,205,277,379.52/3,280,600.80
  6. Step 6: Final answer
    x = 2,525,514.62

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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.