Home / 2,628,799.81-3,627,742.21-1,421,575.81

Finding the Fourth Proportional to 2,628,799.81, 3,627,742.21 and 1,421,575.81

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Solution

The fourth proportional to 2,628,799.81, 3,627,742.21 and 1,421,575.81 is: 1,961,773.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,628,799.81 : 3,627,742.21 = 1,421,575.81 : x
  2. Step 2: Convert to fraction form
    2,628,799.81/3,627,742.21 = 1,421,575.81/x
  3. Step 3: Cross multiply
    2,628,799.81x = 3,627,742.21 × 1,421,575.81
  4. Step 4: Simplify right side
    2,628,799.81x = 5,157,110,570,651.94
  5. Step 5: Solve for x
    x = 5,157,110,570,651.94/2,628,799.81
  6. Step 6: Final answer
    x = 1,961,773.79

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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.