Home / 2,580,736.85-3,870,855.14-783,636.13

Finding the Fourth Proportional to 2,580,736.85, 3,870,855.14 and 783,636.13

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Solution

The fourth proportional to 2,580,736.85, 3,870,855.14 and 783,636.13 is: 1,175,378.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580,736.85 : 3,870,855.14 = 783,636.13 : x
  2. Step 2: Convert to fraction form
    2,580,736.85/3,870,855.14 = 783,636.13/x
  3. Step 3: Cross multiply
    2,580,736.85x = 3,870,855.14 × 783,636.13
  4. Step 4: Simplify right side
    2,580,736.85x = 3,033,341,925,254.99
  5. Step 5: Solve for x
    x = 3,033,341,925,254.99/2,580,736.85
  6. Step 6: Final answer
    x = 1,175,378.23

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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.