Home / 2,580,738.75-3,870,857.98-783,638.02

Finding the Fourth Proportional to 2,580,738.75, 3,870,857.98 and 783,638.02

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Solution

The fourth proportional to 2,580,738.75, 3,870,857.98 and 783,638.02 is: 1,175,381.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,738.75 : 3,870,857.98 = 783,638.02 : x
  2. Step 2: Convert to fraction form
    2,580,738.75/3,870,857.98 = 783,638.02/x
  3. Step 3: Cross multiply
    2,580,738.75x = 3,870,857.98 × 783,638.02
  4. Step 4: Simplify right side
    2,580,738.75x = 3,033,351,483,148.40
  5. Step 5: Solve for x
    x = 3,033,351,483,148.40/2,580,738.75
  6. Step 6: Final answer
    x = 1,175,381.07

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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.