Home / 3,455,652.86-4,769,749.46-2,005,815.40

Finding the Fourth Proportional to 3,455,652.86, 4,769,749.46 and 2,005,815.40

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Solution

The fourth proportional to 3,455,652.86, 4,769,749.46 and 2,005,815.40 is: 2,768,575.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,652.86 : 4,769,749.46 = 2,005,815.40 : x
  2. Step 2: Convert to fraction form
    3,455,652.86/4,769,749.46 = 2,005,815.40/x
  3. Step 3: Cross multiply
    3,455,652.86x = 4,769,749.46 × 2,005,815.40
  4. Step 4: Simplify right side
    3,455,652.86x = 9,567,236,921,009.68
  5. Step 5: Solve for x
    x = 9,567,236,921,009.68/3,455,652.86
  6. Step 6: Final answer
    x = 2,768,575.81

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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.