Home / 6,647,465.90-9,964,200.45-2,602,390.70

Finding the Fourth Proportional to 6,647,465.90, 9,964,200.45 and 2,602,390.70

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Solution

The fourth proportional to 6,647,465.90, 9,964,200.45 and 2,602,390.70 is: 3,900,846.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647,465.90 : 9,964,200.45 = 2,602,390.70 : x
  2. Step 2: Convert to fraction form
    6,647,465.90/9,964,200.45 = 2,602,390.70/x
  3. Step 3: Cross multiply
    6,647,465.90x = 9,964,200.45 × 2,602,390.70
  4. Step 4: Simplify right side
    6,647,465.90x = 25,930,742,584,015.82
  5. Step 5: Solve for x
    x = 25,930,742,584,015.82/6,647,465.90
  6. Step 6: Final answer
    x = 3,900,846.27

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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.