Home / 3,677,941.15-5,075,479.31-2,129,268.47

Finding the Fourth Proportional to 3,677,941.15, 5,075,479.31 and 2,129,268.47

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Solution

The fourth proportional to 3,677,941.15, 5,075,479.31 and 2,129,268.47 is: 2,938,344.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677,941.15 : 5,075,479.31 = 2,129,268.47 : x
  2. Step 2: Convert to fraction form
    3,677,941.15/5,075,479.31 = 2,129,268.47/x
  3. Step 3: Cross multiply
    3,677,941.15x = 5,075,479.31 × 2,129,268.47
  4. Step 4: Simplify right side
    3,677,941.15x = 10,807,058,028,896.62
  5. Step 5: Solve for x
    x = 10,807,058,028,896.62/3,677,941.15
  6. Step 6: Final answer
    x = 2,938,344.47

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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.