Home / 2,140,380.60-2,953,845.88-1,269,730.76

Finding the Fourth Proportional to 2,140,380.60, 2,953,845.88 and 1,269,730.76

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Solution

The fourth proportional to 2,140,380.60, 2,953,845.88 and 1,269,730.76 is: 1,752,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,380.60 : 2,953,845.88 = 1,269,730.76 : x
  2. Step 2: Convert to fraction form
    2,140,380.60/2,953,845.88 = 1,269,730.76/x
  3. Step 3: Cross multiply
    2,140,380.60x = 2,953,845.88 × 1,269,730.76
  4. Step 4: Simplify right side
    2,140,380.60x = 3,750,588,974,135.27
  5. Step 5: Solve for x
    x = 3,750,588,974,135.27/2,140,380.60
  6. Step 6: Final answer
    x = 1,752,300.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.