Home / 3,346,073.28-5,019,126.72-821,729.28

Finding the Fourth Proportional to 3,346,073.28, 5,019,126.72 and 821,729.28

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Solution

The fourth proportional to 3,346,073.28, 5,019,126.72 and 821,729.28 is: 1,232,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,346,073.28 : 5,019,126.72 = 821,729.28 : x
  2. Step 2: Convert to fraction form
    3,346,073.28/5,019,126.72 = 821,729.28/x
  3. Step 3: Cross multiply
    3,346,073.28x = 5,019,126.72 × 821,729.28
  4. Step 4: Simplify right side
    3,346,073.28x = 4,124,363,385,854.36
  5. Step 5: Solve for x
    x = 4,124,363,385,854.36/3,346,073.28
  6. Step 6: Final answer
    x = 1,232,598.05

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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.