Home / 2,518,865.76-3,476,035.74-1,431,138.78

Finding the Fourth Proportional to 2,518,865.76, 3,476,035.74 and 1,431,138.78

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Solution

The fourth proportional to 2,518,865.76, 3,476,035.74 and 1,431,138.78 is: 1,974,972.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,518,865.76 : 3,476,035.74 = 1,431,138.78 : x
  2. Step 2: Convert to fraction form
    2,518,865.76/3,476,035.74 = 1,431,138.78/x
  3. Step 3: Cross multiply
    2,518,865.76x = 3,476,035.74 × 1,431,138.78
  4. Step 4: Simplify right side
    2,518,865.76x = 4,974,689,548,180.00
  5. Step 5: Solve for x
    x = 4,974,689,548,180.00/2,518,865.76
  6. Step 6: Final answer
    x = 1,974,972.08

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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.