Home / 2,139,070.88-3,206,446.05-1,340,911.87

Finding the Fourth Proportional to 2,139,070.88, 3,206,446.05 and 1,340,911.87

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Solution

The fourth proportional to 2,139,070.88, 3,206,446.05 and 1,340,911.87 is: 2,010,013.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,139,070.88 : 3,206,446.05 = 1,340,911.87 : x
  2. Step 2: Convert to fraction form
    2,139,070.88/3,206,446.05 = 1,340,911.87/x
  3. Step 3: Cross multiply
    2,139,070.88x = 3,206,446.05 × 1,340,911.87
  4. Step 4: Simplify right side
    2,139,070.88x = 4,299,561,565,971.92
  5. Step 5: Solve for x
    x = 4,299,561,565,971.92/2,139,070.88
  6. Step 6: Final answer
    x = 2,010,013.60

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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.