Home / 2,808,073.40-4,212,110.10-2,780,079.80

Finding the Fourth Proportional to 2,808,073.40, 4,212,110.10 and 2,780,079.80

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Solution

The fourth proportional to 2,808,073.40, 4,212,110.10 and 2,780,079.80 is: 4,170,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,808,073.40 : 4,212,110.10 = 2,780,079.80 : x
  2. Step 2: Convert to fraction form
    2,808,073.40/4,212,110.10 = 2,780,079.80/x
  3. Step 3: Cross multiply
    2,808,073.40x = 4,212,110.10 × 2,780,079.80
  4. Step 4: Simplify right side
    2,808,073.40x = 11,710,002,204,385.98
  5. Step 5: Solve for x
    x = 11,710,002,204,385.98/2,808,073.40
  6. Step 6: Final answer
    x = 4,170,119.70

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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.