Home / 3,563,513.72-5,345,270.48-1,643,856.97

Finding the Fourth Proportional to 3,563,513.72, 5,345,270.48 and 1,643,856.97

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Solution

The fourth proportional to 3,563,513.72, 5,345,270.48 and 1,643,856.97 is: 2,465,785.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563,513.72 : 5,345,270.48 = 1,643,856.97 : x
  2. Step 2: Convert to fraction form
    3,563,513.72/5,345,270.48 = 1,643,856.97/x
  3. Step 3: Cross multiply
    3,563,513.72x = 5,345,270.48 × 1,643,856.97
  4. Step 4: Simplify right side
    3,563,513.72x = 8,786,860,121,720.07
  5. Step 5: Solve for x
    x = 8,786,860,121,720.07/3,563,513.72
  6. Step 6: Final answer
    x = 2,465,785.40

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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.