Home / 2,787,456.36-3,846,321.50-1,563,715.06

Finding the Fourth Proportional to 2,787,456.36, 3,846,321.50 and 1,563,715.06

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Solution

The fourth proportional to 2,787,456.36, 3,846,321.50 and 1,563,715.06 is: 2,157,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,787,456.36 : 3,846,321.50 = 1,563,715.06 : x
  2. Step 2: Convert to fraction form
    2,787,456.36/3,846,321.50 = 1,563,715.06/x
  3. Step 3: Cross multiply
    2,787,456.36x = 3,846,321.50 × 1,563,715.06
  4. Step 4: Simplify right side
    2,787,456.36x = 6,014,550,855,151.79
  5. Step 5: Solve for x
    x = 6,014,550,855,151.79/2,787,456.36
  6. Step 6: Final answer
    x = 2,157,720.19

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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.