Home / 1,907,813.70-2,861,720.55-487,980.90

Finding the Fourth Proportional to 1,907,813.70, 2,861,720.55 and 487,980.90

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Solution

The fourth proportional to 1,907,813.70, 2,861,720.55 and 487,980.90 is: 731,971.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907,813.70 : 2,861,720.55 = 487,980.90 : x
  2. Step 2: Convert to fraction form
    1,907,813.70/2,861,720.55 = 487,980.90/x
  3. Step 3: Cross multiply
    1,907,813.70x = 2,861,720.55 × 487,980.90
  4. Step 4: Simplify right side
    1,907,813.70x = 1,396,464,969,537.49
  5. Step 5: Solve for x
    x = 1,396,464,969,537.49/1,907,813.70
  6. Step 6: Final answer
    x = 731,971.35

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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.