Home / 1,775,821.40-2,661,107.70-1,508,132.60

Finding the Fourth Proportional to 1,775,821.40, 2,661,107.70 and 1,508,132.60

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Solution

The fourth proportional to 1,775,821.40, 2,661,107.70 and 1,508,132.60 is: 2,259,970.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,821.40 : 2,661,107.70 = 1,508,132.60 : x
  2. Step 2: Convert to fraction form
    1,775,821.40/2,661,107.70 = 1,508,132.60/x
  3. Step 3: Cross multiply
    1,775,821.40x = 2,661,107.70 × 1,508,132.60
  4. Step 4: Simplify right side
    1,775,821.40x = 4,013,303,274,481.02
  5. Step 5: Solve for x
    x = 4,013,303,274,481.02/1,775,821.40
  6. Step 6: Final answer
    x = 2,259,970.10

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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.