Home / 2,140,800.30-3,211,200.45-2,107,622.70

Finding the Fourth Proportional to 2,140,800.30, 3,211,200.45 and 2,107,622.70

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Solution

The fourth proportional to 2,140,800.30, 3,211,200.45 and 2,107,622.70 is: 3,161,434.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140,800.30 : 3,211,200.45 = 2,107,622.70 : x
  2. Step 2: Convert to fraction form
    2,140,800.30/3,211,200.45 = 2,107,622.70/x
  3. Step 3: Cross multiply
    2,140,800.30x = 3,211,200.45 × 2,107,622.70
  4. Step 4: Simplify right side
    2,140,800.30x = 6,767,998,962,670.22
  5. Step 5: Solve for x
    x = 6,767,998,962,670.22/2,140,800.30
  6. Step 6: Final answer
    x = 3,161,434.05

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1.5x scale

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.