Home / 2,217,931.12-3,326,406.36-620,064.64

Finding the Fourth Proportional to 2,217,931.12, 3,326,406.36 and 620,064.64

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Solution

The fourth proportional to 2,217,931.12, 3,326,406.36 and 620,064.64 is: 929,959.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217,931.12 : 3,326,406.36 = 620,064.64 : x
  2. Step 2: Convert to fraction form
    2,217,931.12/3,326,406.36 = 620,064.64/x
  3. Step 3: Cross multiply
    2,217,931.12x = 3,326,406.36 × 620,064.64
  4. Step 4: Simplify right side
    2,217,931.12x = 2,062,586,962,107.11
  5. Step 5: Solve for x
    x = 2,062,586,962,107.11/2,217,931.12
  6. Step 6: Final answer
    x = 929,959.88

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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.