Home / 1,975,211.92-2,966,754.48-1,863,801.28

Finding the Fourth Proportional to 1,975,211.92, 2,966,754.48 and 1,863,801.28

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Solution

The fourth proportional to 1,975,211.92, 2,966,754.48 and 1,863,801.28 is: 2,799,416.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,975,211.92 : 2,966,754.48 = 1,863,801.28 : x
  2. Step 2: Convert to fraction form
    1,975,211.92/2,966,754.48 = 1,863,801.28/x
  3. Step 3: Cross multiply
    1,975,211.92x = 2,966,754.48 × 1,863,801.28
  4. Step 4: Simplify right side
    1,975,211.92x = 5,529,440,797,269.73
  5. Step 5: Solve for x
    x = 5,529,440,797,269.73/1,975,211.92
  6. Step 6: Final answer
    x = 2,799,416.48

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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.