Home / 5,101,838.10-7,040,612.57-2,778,837.71

Finding the Fourth Proportional to 5,101,838.10, 7,040,612.57 and 2,778,837.71

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Solution

The fourth proportional to 5,101,838.10, 7,040,612.57 and 2,778,837.71 is: 3,834,837.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,101,838.10 : 7,040,612.57 = 2,778,837.71 : x
  2. Step 2: Convert to fraction form
    5,101,838.10/7,040,612.57 = 2,778,837.71/x
  3. Step 3: Cross multiply
    5,101,838.10x = 7,040,612.57 × 2,778,837.71
  4. Step 4: Simplify right side
    5,101,838.10x = 19,564,719,661,918.77
  5. Step 5: Solve for x
    x = 19,564,719,661,918.77/5,101,838.10
  6. Step 6: Final answer
    x = 3,834,837.42

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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.