Home / 3,677,946.38-5,075,486.78-2,129,273.50

Finding the Fourth Proportional to 3,677,946.38, 5,075,486.78 and 2,129,273.50

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Solution

The fourth proportional to 3,677,946.38, 5,075,486.78 and 2,129,273.50 is: 2,938,351.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677,946.38 : 5,075,486.78 = 2,129,273.50 : x
  2. Step 2: Convert to fraction form
    3,677,946.38/5,075,486.78 = 2,129,273.50/x
  3. Step 3: Cross multiply
    3,677,946.38x = 5,075,486.78 × 2,129,273.50
  4. Step 4: Simplify right side
    3,677,946.38x = 10,807,099,500,254.33
  5. Step 5: Solve for x
    x = 10,807,099,500,254.33/3,677,946.38
  6. Step 6: Final answer
    x = 2,938,351.56

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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.