Home / 2,019,621.32-3,029,423.67-821,533.51

Finding the Fourth Proportional to 2,019,621.32, 3,029,423.67 and 821,533.51

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Solution

The fourth proportional to 2,019,621.32, 3,029,423.67 and 821,533.51 is: 1,232,296.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,621.32 : 3,029,423.67 = 821,533.51 : x
  2. Step 2: Convert to fraction form
    2,019,621.32/3,029,423.67 = 821,533.51/x
  3. Step 3: Cross multiply
    2,019,621.32x = 3,029,423.67 × 821,533.51
  4. Step 4: Simplify right side
    2,019,621.32x = 2,488,773,053,318.62
  5. Step 5: Solve for x
    x = 2,488,773,053,318.62/2,019,621.32
  6. Step 6: Final answer
    x = 1,232,296.88

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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.