Home / 2,318,488.20-3,477,905.10-822,385.80

Finding the Fourth Proportional to 2,318,488.20, 3,477,905.10 and 822,385.80

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Solution

The fourth proportional to 2,318,488.20, 3,477,905.10 and 822,385.80 is: 1,233,639.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,318,488.20 : 3,477,905.10 = 822,385.80 : x
  2. Step 2: Convert to fraction form
    2,318,488.20/3,477,905.10 = 822,385.80/x
  3. Step 3: Cross multiply
    2,318,488.20x = 3,477,905.10 × 822,385.80
  4. Step 4: Simplify right side
    2,318,488.20x = 2,860,179,767,987.58
  5. Step 5: Solve for x
    x = 2,860,179,767,987.58/2,318,488.20
  6. Step 6: Final answer
    x = 1,233,639.99

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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.