Home / 2,421,819.60-3,630,137.40-822,901.20

Finding the Fourth Proportional to 2,421,819.60, 3,630,137.40 and 822,901.20

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Solution

The fourth proportional to 2,421,819.60, 3,630,137.40 and 822,901.20 is: 1,233,471.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,421,819.60 : 3,630,137.40 = 822,901.20 : x
  2. Step 2: Convert to fraction form
    2,421,819.60/3,630,137.40 = 822,901.20/x
  3. Step 3: Cross multiply
    2,421,819.60x = 3,630,137.40 × 822,901.20
  4. Step 4: Simplify right side
    2,421,819.60x = 2,987,244,422,624.88
  5. Step 5: Solve for x
    x = 2,987,244,422,624.88/2,421,819.60
  6. Step 6: Final answer
    x = 1,233,471.07

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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.