Home / 1,907,872.20-2,861,808.30-488,039.40

Finding the Fourth Proportional to 1,907,872.20, 2,861,808.30 and 488,039.40

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Solution

The fourth proportional to 1,907,872.20, 2,861,808.30 and 488,039.40 is: 732,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,872.20 : 2,861,808.30 = 488,039.40 : x
  2. Step 2: Convert to fraction form
    1,907,872.20/2,861,808.30 = 488,039.40/x
  3. Step 3: Cross multiply
    1,907,872.20x = 2,861,808.30 × 488,039.40
  4. Step 4: Simplify right side
    1,907,872.20x = 1,396,675,205,647.02
  5. Step 5: Solve for x
    x = 1,396,675,205,647.02/1,907,872.20
  6. Step 6: Final answer
    x = 732,059.10

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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.