Home / 6,647,465.40-9,964,199.70-2,602,390.20

Finding the Fourth Proportional to 6,647,465.40, 9,964,199.70 and 2,602,390.20

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Solution

The fourth proportional to 6,647,465.40, 9,964,199.70 and 2,602,390.20 is: 3,900,845.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647,465.40 : 9,964,199.70 = 2,602,390.20 : x
  2. Step 2: Convert to fraction form
    6,647,465.40/9,964,199.70 = 2,602,390.20/x
  3. Step 3: Cross multiply
    6,647,465.40x = 9,964,199.70 × 2,602,390.20
  4. Step 4: Simplify right side
    6,647,465.40x = 25,930,735,650,122.94
  5. Step 5: Solve for x
    x = 25,930,735,650,122.94/6,647,465.40
  6. Step 6: Final answer
    x = 3,900,845.52

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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.