Home / 3,200,936.74-4,417,016.32-1,805,421.53

Finding the Fourth Proportional to 3,200,936.74, 4,417,016.32 and 1,805,421.53

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Solution

The fourth proportional to 3,200,936.74, 4,417,016.32 and 1,805,421.53 is: 2,491,325.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200,936.74 : 4,417,016.32 = 1,805,421.53 : x
  2. Step 2: Convert to fraction form
    3,200,936.74/4,417,016.32 = 1,805,421.53/x
  3. Step 3: Cross multiply
    3,200,936.74x = 4,417,016.32 × 1,805,421.53
  4. Step 4: Simplify right side
    3,200,936.74x = 7,974,576,353,210.33
  5. Step 5: Solve for x
    x = 7,974,576,353,210.33/3,200,936.74
  6. Step 6: Final answer
    x = 2,491,325.82

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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.