Home / 2,077,026.60-3,115,539.90-1,275,709.80

Finding the Fourth Proportional to 2,077,026.60, 3,115,539.90 and 1,275,709.80

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Solution

The fourth proportional to 2,077,026.60, 3,115,539.90 and 1,275,709.80 is: 1,913,564.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077,026.60 : 3,115,539.90 = 1,275,709.80 : x
  2. Step 2: Convert to fraction form
    2,077,026.60/3,115,539.90 = 1,275,709.80/x
  3. Step 3: Cross multiply
    2,077,026.60x = 3,115,539.90 × 1,275,709.80
  4. Step 4: Simplify right side
    2,077,026.60x = 3,974,524,782,721.02
  5. Step 5: Solve for x
    x = 3,974,524,782,721.02/2,077,026.60
  6. Step 6: Final answer
    x = 1,913,564.70

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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.