Home / 3,346,079.28-5,019,135.72-821,735.28

Finding the Fourth Proportional to 3,346,079.28, 5,019,135.72 and 821,735.28

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Solution

The fourth proportional to 3,346,079.28, 5,019,135.72 and 821,735.28 is: 1,232,607.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346,079.28 : 5,019,135.72 = 821,735.28 : x
  2. Step 2: Convert to fraction form
    3,346,079.28/5,019,135.72 = 821,735.28/x
  3. Step 3: Cross multiply
    3,346,079.28x = 5,019,135.72 × 821,735.28
  4. Step 4: Simplify right side
    3,346,079.28x = 4,124,400,896,232.20
  5. Step 5: Solve for x
    x = 4,124,400,896,232.20/3,346,079.28
  6. Step 6: Final answer
    x = 1,232,607.05

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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.