Home / 2,129,762.64-2,939,133-1,162,954.32

Finding the Fourth Proportional to 2,129,762.64, 2,939,133 and 1,162,954.32

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Solution

The fourth proportional to 2,129,762.64, 2,939,133 and 1,162,954.32 is: 1,604,910.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,762.64 : 2,939,133 = 1,162,954.32 : x
  2. Step 2: Convert to fraction form
    2,129,762.64/2,939,133 = 1,162,954.32/x
  3. Step 3: Cross multiply
    2,129,762.64x = 2,939,133 × 1,162,954.32
  4. Step 4: Simplify right side
    2,129,762.64x = 3,418,077,419,404.56
  5. Step 5: Solve for x
    x = 3,418,077,419,404.56/2,129,762.64
  6. Step 6: Final answer
    x = 1,604,910.03

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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.