Home / 2,603,478.78-3,906,814.38-1,165,378.16

Finding the Fourth Proportional to 2,603,478.78, 3,906,814.38 and 1,165,378.16

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Solution

The fourth proportional to 2,603,478.78, 3,906,814.38 and 1,165,378.16 is: 1,748,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,603,478.78 : 3,906,814.38 = 1,165,378.16 : x
  2. Step 2: Convert to fraction form
    2,603,478.78/3,906,814.38 = 1,165,378.16/x
  3. Step 3: Cross multiply
    2,603,478.78x = 3,906,814.38 × 1,165,378.16
  4. Step 4: Simplify right side
    2,603,478.78x = 4,552,916,128,264.98
  5. Step 5: Solve for x
    x = 4,552,916,128,264.98/2,603,478.78
  6. Step 6: Final answer
    x = 1,748,781.73

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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.