Home / 3,949,123.84-5,923,915.40-1,109,457.42

Finding the Fourth Proportional to 3,949,123.84, 5,923,915.40 and 1,109,457.42

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Solution

The fourth proportional to 3,949,123.84, 5,923,915.40 and 1,109,457.42 is: 1,664,250.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949,123.84 : 5,923,915.40 = 1,109,457.42 : x
  2. Step 2: Convert to fraction form
    3,949,123.84/5,923,915.40 = 1,109,457.42/x
  3. Step 3: Cross multiply
    3,949,123.84x = 5,923,915.40 × 1,109,457.42
  4. Step 4: Simplify right side
    3,949,123.84x = 6,572,331,895,982.27
  5. Step 5: Solve for x
    x = 6,572,331,895,982.27/3,949,123.84
  6. Step 6: Final answer
    x = 1,664,250.64

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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.