Home / 2,631,931.80-3,942,648.90-1,834,114.20

Finding the Fourth Proportional to 2,631,931.80, 3,942,648.90 and 1,834,114.20

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Solution

The fourth proportional to 2,631,931.80, 3,942,648.90 and 1,834,114.20 is: 2,747,513.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,631,931.80 : 3,942,648.90 = 1,834,114.20 : x
  2. Step 2: Convert to fraction form
    2,631,931.80/3,942,648.90 = 1,834,114.20/x
  3. Step 3: Cross multiply
    2,631,931.80x = 3,942,648.90 × 1,834,114.20
  4. Step 4: Simplify right side
    2,631,931.80x = 7,231,268,333,104.38
  5. Step 5: Solve for x
    x = 7,231,268,333,104.38/2,631,931.80
  6. Step 6: Final answer
    x = 2,747,513.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.