Home / 3,652,920.78-5,041,036.71-2,021,396.82

Finding the Fourth Proportional to 3,652,920.78, 5,041,036.71 and 2,021,396.82

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Solution

The fourth proportional to 3,652,920.78, 5,041,036.71 and 2,021,396.82 is: 2,789,530.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,652,920.78 : 5,041,036.71 = 2,021,396.82 : x
  2. Step 2: Convert to fraction form
    3,652,920.78/5,041,036.71 = 2,021,396.82/x
  3. Step 3: Cross multiply
    3,652,920.78x = 5,041,036.71 × 2,021,396.82
  4. Step 4: Simplify right side
    3,652,920.78x = 10,189,935,575,097.26
  5. Step 5: Solve for x
    x = 10,189,935,575,097.26/3,652,920.78
  6. Step 6: Final answer
    x = 2,789,530.95

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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.