Home / 2,315,363-3,195,200.94-1,297,095.80

Finding the Fourth Proportional to 2,315,363, 3,195,200.94 and 1,297,095.80

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Solution

The fourth proportional to 2,315,363, 3,195,200.94 and 1,297,095.80 is: 1,789,992.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,315,363 : 3,195,200.94 = 1,297,095.80 : x
  2. Step 2: Convert to fraction form
    2,315,363/3,195,200.94 = 1,297,095.80/x
  3. Step 3: Cross multiply
    2,315,363x = 3,195,200.94 × 1,297,095.80
  4. Step 4: Simplify right side
    2,315,363x = 4,144,481,719,430.05
  5. Step 5: Solve for x
    x = 4,144,481,719,430.05/2,315,363
  6. Step 6: Final answer
    x = 1,789,992.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.