Home / 2,105,458.20-3,156,113.70-1,040,664.60

Finding the Fourth Proportional to 2,105,458.20, 3,156,113.70 and 1,040,664.60

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Solution

The fourth proportional to 2,105,458.20, 3,156,113.70 and 1,040,664.60 is: 1,559,971.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,105,458.20 : 3,156,113.70 = 1,040,664.60 : x
  2. Step 2: Convert to fraction form
    2,105,458.20/3,156,113.70 = 1,040,664.60/x
  3. Step 3: Cross multiply
    2,105,458.20x = 3,156,113.70 × 1,040,664.60
  4. Step 4: Simplify right side
    2,105,458.20x = 3,284,455,801,165.02
  5. Step 5: Solve for x
    x = 3,284,455,801,165.02/2,105,458.20
  6. Step 6: Final answer
    x = 1,559,971.98

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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.