Home / 3,479,113.71-4,801,439.89-1,930,668.50

Finding the Fourth Proportional to 3,479,113.71, 4,801,439.89 and 1,930,668.50

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Solution

The fourth proportional to 3,479,113.71, 4,801,439.89 and 1,930,668.50 is: 2,664,468.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,479,113.71 : 4,801,439.89 = 1,930,668.50 : x
  2. Step 2: Convert to fraction form
    3,479,113.71/4,801,439.89 = 1,930,668.50/x
  3. Step 3: Cross multiply
    3,479,113.71x = 4,801,439.89 × 1,930,668.50
  4. Step 4: Simplify right side
    3,479,113.71x = 9,269,988,750,266.47
  5. Step 5: Solve for x
    x = 9,269,988,750,266.47/3,479,113.71
  6. Step 6: Final answer
    x = 2,664,468.46

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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.