Home / 3,964,690.28-5,461,038.72-2,801,116.71

Finding the Fourth Proportional to 3,964,690.28, 5,461,038.72 and 2,801,116.71

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Solution

The fourth proportional to 3,964,690.28, 5,461,038.72 and 2,801,116.71 is: 3,858,310.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964,690.28 : 5,461,038.72 = 2,801,116.71 : x
  2. Step 2: Convert to fraction form
    3,964,690.28/5,461,038.72 = 2,801,116.71/x
  3. Step 3: Cross multiply
    3,964,690.28x = 5,461,038.72 × 2,801,116.71
  4. Step 4: Simplify right side
    3,964,690.28x = 15,297,006,833,027.91
  5. Step 5: Solve for x
    x = 15,297,006,833,027.91/3,964,690.28
  6. Step 6: Final answer
    x = 3,858,310.67

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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.