Home / 2,952,728.64-4,428,672.28-930,709.60

Finding the Fourth Proportional to 2,952,728.64, 4,428,672.28 and 930,709.60

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Solution

The fourth proportional to 2,952,728.64, 4,428,672.28 and 930,709.60 is: 1,395,931.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952,728.64 : 4,428,672.28 = 930,709.60 : x
  2. Step 2: Convert to fraction form
    2,952,728.64/4,428,672.28 = 930,709.60/x
  3. Step 3: Cross multiply
    2,952,728.64x = 4,428,672.28 × 930,709.60
  4. Step 4: Simplify right side
    2,952,728.64x = 4,121,807,806,249.89
  5. Step 5: Solve for x
    x = 4,121,807,806,249.89/2,952,728.64
  6. Step 6: Final answer
    x = 1,395,931.80

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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.