Home / 2,019,812.40-3,025,636.20-1,259,319.60

Finding the Fourth Proportional to 2,019,812.40, 3,025,636.20 and 1,259,319.60

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Solution

The fourth proportional to 2,019,812.40, 3,025,636.20 and 1,259,319.60 is: 1,886,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,019,812.40 : 3,025,636.20 = 1,259,319.60 : x
  2. Step 2: Convert to fraction form
    2,019,812.40/3,025,636.20 = 1,259,319.60/x
  3. Step 3: Cross multiply
    2,019,812.40x = 3,025,636.20 × 1,259,319.60
  4. Step 4: Simplify right side
    2,019,812.40x = 3,810,242,969,129.52
  5. Step 5: Solve for x
    x = 3,810,242,969,129.52/2,019,812.40
  6. Step 6: Final answer
    x = 1,886,434.09

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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.