Home / 3,258,886.80-4,890,079.80-1,365,819.60

Finding the Fourth Proportional to 3,258,886.80, 4,890,079.80 and 1,365,819.60

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Solution

The fourth proportional to 3,258,886.80, 4,890,079.80 and 1,365,819.60 is: 2,049,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,886.80 : 4,890,079.80 = 1,365,819.60 : x
  2. Step 2: Convert to fraction form
    3,258,886.80/4,890,079.80 = 1,365,819.60/x
  3. Step 3: Cross multiply
    3,258,886.80x = 4,890,079.80 × 1,365,819.60
  4. Step 4: Simplify right side
    3,258,886.80x = 6,678,966,836,404.08
  5. Step 5: Solve for x
    x = 6,678,966,836,404.08/3,258,886.80
  6. Step 6: Final answer
    x = 2,049,462.67

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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.