Home / 3,289,819.80-4,934,729.70-1,872,643.80

Finding the Fourth Proportional to 3,289,819.80, 4,934,729.70 and 1,872,643.80

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Solution

The fourth proportional to 3,289,819.80, 4,934,729.70 and 1,872,643.80 is: 2,808,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,289,819.80 : 4,934,729.70 = 1,872,643.80 : x
  2. Step 2: Convert to fraction form
    3,289,819.80/4,934,729.70 = 1,872,643.80/x
  3. Step 3: Cross multiply
    3,289,819.80x = 4,934,729.70 × 1,872,643.80
  4. Step 4: Simplify right side
    3,289,819.80x = 9,240,990,977,380.86
  5. Step 5: Solve for x
    x = 9,240,990,977,380.86/3,289,819.80
  6. Step 6: Final answer
    x = 2,808,965.70

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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.