Home / 3,455,649.12-4,769,744.28-2,005,811.64

Finding the Fourth Proportional to 3,455,649.12, 4,769,744.28 and 2,005,811.64

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Solution

The fourth proportional to 3,455,649.12, 4,769,744.28 and 2,005,811.64 is: 2,768,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455,649.12 : 4,769,744.28 = 2,005,811.64 : x
  2. Step 2: Convert to fraction form
    3,455,649.12/4,769,744.28 = 2,005,811.64/x
  3. Step 3: Cross multiply
    3,455,649.12x = 4,769,744.28 × 2,005,811.64
  4. Step 4: Simplify right side
    3,455,649.12x = 9,567,208,596,647.42
  5. Step 5: Solve for x
    x = 9,567,208,596,647.42/3,455,649.12
  6. Step 6: Final answer
    x = 2,768,570.61

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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.