Home / 2,605,205.40-3,907,808.10-2,132,424.60

Finding the Fourth Proportional to 2,605,205.40, 3,907,808.10 and 2,132,424.60

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Solution

The fourth proportional to 2,605,205.40, 3,907,808.10 and 2,132,424.60 is: 3,198,636.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,605,205.40 : 3,907,808.10 = 2,132,424.60 : x
  2. Step 2: Convert to fraction form
    2,605,205.40/3,907,808.10 = 2,132,424.60/x
  3. Step 3: Cross multiply
    2,605,205.40x = 3,907,808.10 × 2,132,424.60
  4. Step 4: Simplify right side
    2,605,205.40x = 8,333,106,124,519.26
  5. Step 5: Solve for x
    x = 8,333,106,124,519.26/2,605,205.40
  6. Step 6: Final answer
    x = 3,198,636.90

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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.