Home / 2,171,212.40-3,258,892.20-1,856,025.20

Finding the Fourth Proportional to 2,171,212.40, 3,258,892.20 and 1,856,025.20

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Solution

The fourth proportional to 2,171,212.40, 3,258,892.20 and 1,856,025.20 is: 2,785,810.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171,212.40 : 3,258,892.20 = 1,856,025.20 : x
  2. Step 2: Convert to fraction form
    2,171,212.40/3,258,892.20 = 1,856,025.20/x
  3. Step 3: Cross multiply
    2,171,212.40x = 3,258,892.20 × 1,856,025.20
  4. Step 4: Simplify right side
    2,171,212.40x = 6,048,586,047,283.44
  5. Step 5: Solve for x
    x = 6,048,586,047,283.44/2,171,212.40
  6. Step 6: Final answer
    x = 2,785,810.38

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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.