Home / 2,420,022.40-3,630,379.20-822,659.20

Finding the Fourth Proportional to 2,420,022.40, 3,630,379.20 and 822,659.20

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Solution

The fourth proportional to 2,420,022.40, 3,630,379.20 and 822,659.20 is: 1,234,106.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,420,022.40 : 3,630,379.20 = 822,659.20 : x
  2. Step 2: Convert to fraction form
    2,420,022.40/3,630,379.20 = 822,659.20/x
  3. Step 3: Cross multiply
    2,420,022.40x = 3,630,379.20 × 822,659.20
  4. Step 4: Simplify right side
    2,420,022.40x = 2,986,564,848,368.64
  5. Step 5: Solve for x
    x = 2,986,564,848,368.64/2,420,022.40
  6. Step 6: Final answer
    x = 1,234,106.28

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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.