Home / 2,129,729.28-2,939,145.44-1,162,949.28

Finding the Fourth Proportional to 2,129,729.28, 2,939,145.44 and 1,162,949.28

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Solution

The fourth proportional to 2,129,729.28, 2,939,145.44 and 1,162,949.28 is: 1,604,935.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,129,729.28 : 2,939,145.44 = 1,162,949.28 : x
  2. Step 2: Convert to fraction form
    2,129,729.28/2,939,145.44 = 1,162,949.28/x
  3. Step 3: Cross multiply
    2,129,729.28x = 2,939,145.44 × 1,162,949.28
  4. Step 4: Simplify right side
    2,129,729.28x = 3,418,077,073,263.28
  5. Step 5: Solve for x
    x = 3,418,077,073,263.28/2,129,729.28
  6. Step 6: Final answer
    x = 1,604,935.01

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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.