Home / 1,820,002.20-2,730,003.30-621,744.90

Finding the Fourth Proportional to 1,820,002.20, 2,730,003.30 and 621,744.90

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Solution

The fourth proportional to 1,820,002.20, 2,730,003.30 and 621,744.90 is: 932,617.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,002.20 : 2,730,003.30 = 621,744.90 : x
  2. Step 2: Convert to fraction form
    1,820,002.20/2,730,003.30 = 621,744.90/x
  3. Step 3: Cross multiply
    1,820,002.20x = 2,730,003.30 × 621,744.90
  4. Step 4: Simplify right side
    1,820,002.20x = 1,697,365,628,758.17
  5. Step 5: Solve for x
    x = 1,697,365,628,758.17/1,820,002.20
  6. Step 6: Final answer
    x = 932,617.35

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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.