Home / 4,919,913.51-7,382,001.68-2,642,781.10

Finding the Fourth Proportional to 4,919,913.51, 7,382,001.68 and 2,642,781.10

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Solution

The fourth proportional to 4,919,913.51, 7,382,001.68 and 2,642,781.10 is: 3,965,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,919,913.51 : 7,382,001.68 = 2,642,781.10 : x
  2. Step 2: Convert to fraction form
    4,919,913.51/7,382,001.68 = 2,642,781.10/x
  3. Step 3: Cross multiply
    4,919,913.51x = 7,382,001.68 × 2,642,781.10
  4. Step 4: Simplify right side
    4,919,913.51x = 19,509,014,526,679.20
  5. Step 5: Solve for x
    x = 19,509,014,526,679.20/4,919,913.51
  6. Step 6: Final answer
    x = 3,965,316.56

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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.