Home / 2,019,201.80-3,028,802.70-1,452,331.40

Finding the Fourth Proportional to 2,019,201.80, 3,028,802.70 and 1,452,331.40

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Solution

The fourth proportional to 2,019,201.80, 3,028,802.70 and 1,452,331.40 is: 2,178,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,201.80 : 3,028,802.70 = 1,452,331.40 : x
  2. Step 2: Convert to fraction form
    2,019,201.80/3,028,802.70 = 1,452,331.40/x
  3. Step 3: Cross multiply
    2,019,201.80x = 3,028,802.70 × 1,452,331.40
  4. Step 4: Simplify right side
    2,019,201.80x = 4,398,825,265,614.78
  5. Step 5: Solve for x
    x = 4,398,825,265,614.78/2,019,201.80
  6. Step 6: Final answer
    x = 2,178,497.10

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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.