Home / 2,557,364.88-3,529,146.14-1,411,445.20

Finding the Fourth Proportional to 2,557,364.88, 3,529,146.14 and 1,411,445.20

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Solution

The fourth proportional to 2,557,364.88, 3,529,146.14 and 1,411,445.20 is: 1,947,784.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557,364.88 : 3,529,146.14 = 1,411,445.20 : x
  2. Step 2: Convert to fraction form
    2,557,364.88/3,529,146.14 = 1,411,445.20/x
  3. Step 3: Cross multiply
    2,557,364.88x = 3,529,146.14 × 1,411,445.20
  4. Step 4: Simplify right side
    2,557,364.88x = 4,981,196,379,401.53
  5. Step 5: Solve for x
    x = 4,981,196,379,401.53/2,557,364.88
  6. Step 6: Final answer
    x = 1,947,784.78

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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.