Home / 5,175,175.40-7,141,790.86-2,852,151.69

Finding the Fourth Proportional to 5,175,175.40, 7,141,790.86 and 2,852,151.69

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Solution

The fourth proportional to 5,175,175.40, 7,141,790.86 and 2,852,151.69 is: 3,935,996.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,175.40 : 7,141,790.86 = 2,852,151.69 : x
  2. Step 2: Convert to fraction form
    5,175,175.40/7,141,790.86 = 2,852,151.69/x
  3. Step 3: Cross multiply
    5,175,175.40x = 7,141,790.86 × 2,852,151.69
  4. Step 4: Simplify right side
    5,175,175.40x = 20,369,470,878,105.93
  5. Step 5: Solve for x
    x = 20,369,470,878,105.93/5,175,175.40
  6. Step 6: Final answer
    x = 3,935,996.23

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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.