Home / 3,686,161.98-5,075,327.01-3,133,790.78

Finding the Fourth Proportional to 3,686,161.98, 5,075,327.01 and 3,133,790.78

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Solution

The fourth proportional to 3,686,161.98, 5,075,327.01 and 3,133,790.78 is: 4,314,789.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,161.98 : 5,075,327.01 = 3,133,790.78 : x
  2. Step 2: Convert to fraction form
    3,686,161.98/5,075,327.01 = 3,133,790.78/x
  3. Step 3: Cross multiply
    3,686,161.98x = 5,075,327.01 × 3,133,790.78
  4. Step 4: Simplify right side
    3,686,161.98x = 15,905,012,989,422.97
  5. Step 5: Solve for x
    x = 15,905,012,989,422.97/3,686,161.98
  6. Step 6: Final answer
    x = 4,314,789.50

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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.