Home / 5,522,721.86-8,284,561.64-1,685,408.28

Finding the Fourth Proportional to 5,522,721.86, 8,284,561.64 and 1,685,408.28

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Solution

The fourth proportional to 5,522,721.86, 8,284,561.64 and 1,685,408.28 is: 2,528,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,522,721.86 : 8,284,561.64 = 1,685,408.28 : x
  2. Step 2: Convert to fraction form
    5,522,721.86/8,284,561.64 = 1,685,408.28/x
  3. Step 3: Cross multiply
    5,522,721.86x = 8,284,561.64 × 1,685,408.28
  4. Step 4: Simplify right side
    5,522,721.86x = 13,962,868,784,226.38
  5. Step 5: Solve for x
    x = 13,962,868,784,226.38/5,522,721.86
  6. Step 6: Final answer
    x = 2,528,258.55

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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.