Home / 2,548,390.77-3,515,987.32-1,445,640.68

Finding the Fourth Proportional to 2,548,390.77, 3,515,987.32 and 1,445,640.68

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Solution

The fourth proportional to 2,548,390.77, 3,515,987.32 and 1,445,640.68 is: 1,994,534.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,548,390.77 : 3,515,987.32 = 1,445,640.68 : x
  2. Step 2: Convert to fraction form
    2,548,390.77/3,515,987.32 = 1,445,640.68/x
  3. Step 3: Cross multiply
    2,548,390.77x = 3,515,987.32 × 1,445,640.68
  4. Step 4: Simplify right side
    2,548,390.77x = 5,082,854,305,332.04
  5. Step 5: Solve for x
    x = 5,082,854,305,332.04/2,548,390.77
  6. Step 6: Final answer
    x = 1,994,534.89

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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.