Home / 1,994,456.20-2,991,708.60-646,608.10

Finding the Fourth Proportional to 1,994,456.20, 2,991,708.60 and 646,608.10

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Solution

The fourth proportional to 1,994,456.20, 2,991,708.60 and 646,608.10 is: 969,920.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,456.20 : 2,991,708.60 = 646,608.10 : x
  2. Step 2: Convert to fraction form
    1,994,456.20/2,991,708.60 = 646,608.10/x
  3. Step 3: Cross multiply
    1,994,456.20x = 2,991,708.60 × 646,608.10
  4. Step 4: Simplify right side
    1,994,456.20x = 1,934,463,013,599.66
  5. Step 5: Solve for x
    x = 1,934,463,013,599.66/1,994,456.20
  6. Step 6: Final answer
    x = 969,920.03

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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.