Home / 2,520,834.32-3,478,792.83-1,374,914.66

Finding the Fourth Proportional to 2,520,834.32, 3,478,792.83 and 1,374,914.66

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Solution

The fourth proportional to 2,520,834.32, 3,478,792.83 and 1,374,914.66 is: 1,897,404.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,520,834.32 : 3,478,792.83 = 1,374,914.66 : x
  2. Step 2: Convert to fraction form
    2,520,834.32/3,478,792.83 = 1,374,914.66/x
  3. Step 3: Cross multiply
    2,520,834.32x = 3,478,792.83 × 1,374,914.66
  4. Step 4: Simplify right side
    2,520,834.32x = 4,783,043,261,069.89
  5. Step 5: Solve for x
    x = 4,783,043,261,069.89/2,520,834.32
  6. Step 6: Final answer
    x = 1,897,404.85

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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.