Home / 2,912,564.06-4,368,842.32-782,648.21

Finding the Fourth Proportional to 2,912,564.06, 4,368,842.32 and 782,648.21

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Solution

The fourth proportional to 2,912,564.06, 4,368,842.32 and 782,648.21 is: 1,173,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,564.06 : 4,368,842.32 = 782,648.21 : x
  2. Step 2: Convert to fraction form
    2,912,564.06/4,368,842.32 = 782,648.21/x
  3. Step 3: Cross multiply
    2,912,564.06x = 4,368,842.32 × 782,648.21
  4. Step 4: Simplify right side
    2,912,564.06x = 3,419,266,621,520.25
  5. Step 5: Solve for x
    x = 3,419,266,621,520.25/2,912,564.06
  6. Step 6: Final answer
    x = 1,173,971.30

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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.