Home / 5,175,173.76-7,141,788.63-2,852,151.24

Finding the Fourth Proportional to 5,175,173.76, 7,141,788.63 and 2,852,151.24

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Solution

The fourth proportional to 5,175,173.76, 7,141,788.63 and 2,852,151.24 is: 3,935,995.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,175,173.76 : 7,141,788.63 = 2,852,151.24 : x
  2. Step 2: Convert to fraction form
    5,175,173.76/7,141,788.63 = 2,852,151.24/x
  3. Step 3: Cross multiply
    5,175,173.76x = 7,141,788.63 × 2,852,151.24
  4. Step 4: Simplify right side
    5,175,173.76x = 20,369,461,296,872.40
  5. Step 5: Solve for x
    x = 20,369,461,296,872.40/5,175,173.76
  6. Step 6: Final answer
    x = 3,935,995.63

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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.