Home / 2,790,630.81-3,851,491.64-1,703,535.21

Finding the Fourth Proportional to 2,790,630.81, 3,851,491.64 and 1,703,535.21

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Solution

The fourth proportional to 2,790,630.81, 3,851,491.64 and 1,703,535.21 is: 2,351,135.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,790,630.81 : 3,851,491.64 = 1,703,535.21 : x
  2. Step 2: Convert to fraction form
    2,790,630.81/3,851,491.64 = 1,703,535.21/x
  3. Step 3: Cross multiply
    2,790,630.81x = 3,851,491.64 × 1,703,535.21
  4. Step 4: Simplify right side
    2,790,630.81x = 6,561,151,611,242.97
  5. Step 5: Solve for x
    x = 6,561,151,611,242.97/2,790,630.81
  6. Step 6: Final answer
    x = 2,351,135.66

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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.