Home / 2,921,830.28-4,382,745.35-791,914.35

Finding the Fourth Proportional to 2,921,830.28, 4,382,745.35 and 791,914.35

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Solution

The fourth proportional to 2,921,830.28, 4,382,745.35 and 791,914.35 is: 1,187,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,921,830.28 : 4,382,745.35 = 791,914.35 : x
  2. Step 2: Convert to fraction form
    2,921,830.28/4,382,745.35 = 791,914.35/x
  3. Step 3: Cross multiply
    2,921,830.28x = 4,382,745.35 × 791,914.35
  4. Step 4: Simplify right side
    2,921,830.28x = 3,470,758,931,101.20
  5. Step 5: Solve for x
    x = 3,470,758,931,101.20/2,921,830.28
  6. Step 6: Final answer
    x = 1,187,871.51

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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.