Home / 2,012,220.20-3,018,476.10-1,211,778.20

Finding the Fourth Proportional to 2,012,220.20, 3,018,476.10 and 1,211,778.20

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Solution

The fourth proportional to 2,012,220.20, 3,018,476.10 and 1,211,778.20 is: 1,817,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,012,220.20 : 3,018,476.10 = 1,211,778.20 : x
  2. Step 2: Convert to fraction form
    2,012,220.20/3,018,476.10 = 1,211,778.20/x
  3. Step 3: Cross multiply
    2,012,220.20x = 3,018,476.10 × 1,211,778.20
  4. Step 4: Simplify right side
    2,012,220.20x = 3,657,723,535,201.02
  5. Step 5: Solve for x
    x = 3,657,723,535,201.02/2,012,220.20
  6. Step 6: Final answer
    x = 1,817,755.10

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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.