Home / 2,009,438.21-3,014,255.73-811,211

Finding the Fourth Proportional to 2,009,438.21, 3,014,255.73 and 811,211

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Solution

The fourth proportional to 2,009,438.21, 3,014,255.73 and 811,211 is: 1,216,856.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,438.21 : 3,014,255.73 = 811,211 : x
  2. Step 2: Convert to fraction form
    2,009,438.21/3,014,255.73 = 811,211/x
  3. Step 3: Cross multiply
    2,009,438.21x = 3,014,255.73 × 811,211
  4. Step 4: Simplify right side
    2,009,438.21x = 2,445,197,404,989.03
  5. Step 5: Solve for x
    x = 2,445,197,404,989.03/2,009,438.21
  6. Step 6: Final answer
    x = 1,216,856.23

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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.