Home / 1,893,915.20-2,837,186.40-1,143,732.80

Finding the Fourth Proportional to 1,893,915.20, 2,837,186.40 and 1,143,732.80

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Solution

The fourth proportional to 1,893,915.20, 2,837,186.40 and 1,143,732.80 is: 1,713,372.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,893,915.20 : 2,837,186.40 = 1,143,732.80 : x
  2. Step 2: Convert to fraction form
    1,893,915.20/2,837,186.40 = 1,143,732.80/x
  3. Step 3: Cross multiply
    1,893,915.20x = 2,837,186.40 × 1,143,732.80
  4. Step 4: Simplify right side
    1,893,915.20x = 3,244,983,145,393.92
  5. Step 5: Solve for x
    x = 3,244,983,145,393.92/1,893,915.20
  6. Step 6: Final answer
    x = 1,713,372.99

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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.