Home / 1,825,219.81-2,519,140.30-1,172,661.58

Finding the Fourth Proportional to 1,825,219.81, 2,519,140.30 and 1,172,661.58

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Solution

The fourth proportional to 1,825,219.81, 2,519,140.30 and 1,172,661.58 is: 1,618,489.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,825,219.81 : 2,519,140.30 = 1,172,661.58 : x
  2. Step 2: Convert to fraction form
    1,825,219.81/2,519,140.30 = 1,172,661.58/x
  3. Step 3: Cross multiply
    1,825,219.81x = 2,519,140.30 × 1,172,661.58
  4. Step 4: Simplify right side
    1,825,219.81x = 2,954,099,045,542.42
  5. Step 5: Solve for x
    x = 2,954,099,045,542.42/1,825,219.81
  6. Step 6: Final answer
    x = 1,618,489.47

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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.