Home / 3,639,848.40-5,438,450.88-3,512,555.44

Finding the Fourth Proportional to 3,639,848.40, 5,438,450.88 and 3,512,555.44

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Solution

The fourth proportional to 3,639,848.40, 5,438,450.88 and 3,512,555.44 is: 5,248,257.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,639,848.40 : 5,438,450.88 = 3,512,555.44 : x
  2. Step 2: Convert to fraction form
    3,639,848.40/5,438,450.88 = 3,512,555.44/x
  3. Step 3: Cross multiply
    3,639,848.40x = 5,438,450.88 × 3,512,555.44
  4. Step 4: Simplify right side
    3,639,848.40x = 19,102,860,223,716.79
  5. Step 5: Solve for x
    x = 19,102,860,223,716.79/3,639,848.40
  6. Step 6: Final answer
    x = 5,248,257.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.