Home / 1,663,558.70-2,490,672.45-1,616,902.70

Finding the Fourth Proportional to 1,663,558.70, 2,490,672.45 and 1,616,902.70

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Solution

The fourth proportional to 1,663,558.70, 2,490,672.45 and 1,616,902.70 is: 2,420,819.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,663,558.70 : 2,490,672.45 = 1,616,902.70 : x
  2. Step 2: Convert to fraction form
    1,663,558.70/2,490,672.45 = 1,616,902.70/x
  3. Step 3: Cross multiply
    1,663,558.70x = 2,490,672.45 × 1,616,902.70
  4. Step 4: Simplify right side
    1,663,558.70x = 4,027,175,009,220.62
  5. Step 5: Solve for x
    x = 4,027,175,009,220.62/1,663,558.70
  6. Step 6: Final answer
    x = 2,420,819.30

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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.