Home / 2,019,192.80-3,028,789.20-1,452,322.40

Finding the Fourth Proportional to 2,019,192.80, 3,028,789.20 and 1,452,322.40

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Solution

The fourth proportional to 2,019,192.80, 3,028,789.20 and 1,452,322.40 is: 2,178,483.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,192.80 : 3,028,789.20 = 1,452,322.40 : x
  2. Step 2: Convert to fraction form
    2,019,192.80/3,028,789.20 = 1,452,322.40/x
  3. Step 3: Cross multiply
    2,019,192.80x = 3,028,789.20 × 1,452,322.40
  4. Step 4: Simplify right side
    2,019,192.80x = 4,398,778,400,038.08
  5. Step 5: Solve for x
    x = 4,398,778,400,038.08/2,019,192.80
  6. Step 6: Final answer
    x = 2,178,483.60

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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.