Home / 1,620,057.06-2,234,004.21-1,391,371.56

Finding the Fourth Proportional to 1,620,057.06, 2,234,004.21 and 1,391,371.56

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Solution

The fourth proportional to 1,620,057.06, 2,234,004.21 and 1,391,371.56 is: 1,918,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,057.06 : 2,234,004.21 = 1,391,371.56 : x
  2. Step 2: Convert to fraction form
    1,620,057.06/2,234,004.21 = 1,391,371.56/x
  3. Step 3: Cross multiply
    1,620,057.06x = 2,234,004.21 × 1,391,371.56
  4. Step 4: Simplify right side
    1,620,057.06x = 3,108,329,922,714.27
  5. Step 5: Solve for x
    x = 3,108,329,922,714.27/1,620,057.06
  6. Step 6: Final answer
    x = 1,918,654.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.