Home / 2,880,212.20-4,318,244.70-1,618,426.60

Finding the Fourth Proportional to 2,880,212.20, 4,318,244.70 and 1,618,426.60

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Solution

The fourth proportional to 2,880,212.20, 4,318,244.70 and 1,618,426.60 is: 2,426,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,880,212.20 : 4,318,244.70 = 1,618,426.60 : x
  2. Step 2: Convert to fraction form
    2,880,212.20/4,318,244.70 = 1,618,426.60/x
  3. Step 3: Cross multiply
    2,880,212.20x = 4,318,244.70 × 1,618,426.60
  4. Step 4: Simplify right side
    2,880,212.20x = 6,988,762,087,789.02
  5. Step 5: Solve for x
    x = 6,988,762,087,789.02/2,880,212.20
  6. Step 6: Final answer
    x = 2,426,474.72

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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.