Home / 1,876,072.40-2,809,961.40-1,452,021.20

Finding the Fourth Proportional to 1,876,072.40, 2,809,961.40 and 1,452,021.20

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Solution

The fourth proportional to 1,876,072.40, 2,809,961.40 and 1,452,021.20 is: 2,174,822.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,876,072.40 : 2,809,961.40 = 1,452,021.20 : x
  2. Step 2: Convert to fraction form
    1,876,072.40/2,809,961.40 = 1,452,021.20/x
  3. Step 3: Cross multiply
    1,876,072.40x = 2,809,961.40 × 1,452,021.20
  4. Step 4: Simplify right side
    1,876,072.40x = 4,080,123,523,981.68
  5. Step 5: Solve for x
    x = 4,080,123,523,981.68/1,876,072.40
  6. Step 6: Final answer
    x = 2,174,822.00

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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.