Home / 3,258,986.90-4,889,063.55-1,365,919.70

Finding the Fourth Proportional to 3,258,986.90, 4,889,063.55 and 1,365,919.70

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Solution

The fourth proportional to 3,258,986.90, 4,889,063.55 and 1,365,919.70 is: 2,049,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258,986.90 : 4,889,063.55 = 1,365,919.70 : x
  2. Step 2: Convert to fraction form
    3,258,986.90/4,889,063.55 = 1,365,919.70/x
  3. Step 3: Cross multiply
    3,258,986.90x = 4,889,063.55 × 1,365,919.70
  4. Step 4: Simplify right side
    3,258,986.90x = 6,678,068,217,496.94
  5. Step 5: Solve for x
    x = 6,678,068,217,496.94/3,258,986.90
  6. Step 6: Final answer
    x = 2,049,123.98

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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.