Home / 2,122,716.42-3,179,223.95-1,666,268.67

Finding the Fourth Proportional to 2,122,716.42, 3,179,223.95 and 1,666,268.67

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Solution

The fourth proportional to 2,122,716.42, 3,179,223.95 and 1,666,268.67 is: 2,495,595.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,122,716.42 : 3,179,223.95 = 1,666,268.67 : x
  2. Step 2: Convert to fraction form
    2,122,716.42/3,179,223.95 = 1,666,268.67/x
  3. Step 3: Cross multiply
    2,122,716.42x = 3,179,223.95 × 1,666,268.67
  4. Step 4: Simplify right side
    2,122,716.42x = 5,297,441,254,467.30
  5. Step 5: Solve for x
    x = 5,297,441,254,467.30/2,122,716.42
  6. Step 6: Final answer
    x = 2,495,595.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.