Home / 3,677,942.15-5,075,480.68-2,129,269.47

Finding the Fourth Proportional to 3,677,942.15, 5,075,480.68 and 2,129,269.47

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Solution

The fourth proportional to 3,677,942.15, 5,075,480.68 and 2,129,269.47 is: 2,938,345.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,677,942.15 : 5,075,480.68 = 2,129,269.47 : x
  2. Step 2: Convert to fraction form
    3,677,942.15/5,075,480.68 = 2,129,269.47/x
  3. Step 3: Cross multiply
    3,677,942.15x = 5,075,480.68 × 2,129,269.47
  4. Step 4: Simplify right side
    3,677,942.15x = 10,807,066,057,498.84
  5. Step 5: Solve for x
    x = 10,807,066,057,498.84/3,677,942.15
  6. Step 6: Final answer
    x = 2,938,345.85

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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.