Home / 3,189,660.21-4,785,417.06-1,030,640.15

Finding the Fourth Proportional to 3,189,660.21, 4,785,417.06 and 1,030,640.15

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Solution

The fourth proportional to 3,189,660.21, 4,785,417.06 and 1,030,640.15 is: 1,546,259.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,189,660.21 : 4,785,417.06 = 1,030,640.15 : x
  2. Step 2: Convert to fraction form
    3,189,660.21/4,785,417.06 = 1,030,640.15/x
  3. Step 3: Cross multiply
    3,189,660.21x = 4,785,417.06 × 1,030,640.15
  4. Step 4: Simplify right side
    3,189,660.21x = 4,932,042,932,603.87
  5. Step 5: Solve for x
    x = 4,932,042,932,603.87/3,189,660.21
  6. Step 6: Final answer
    x = 1,546,259.67

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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.