Home / 4,198,289.40-6,288,102.90-3,638,417.40

Finding the Fourth Proportional to 4,198,289.40, 6,288,102.90 and 3,638,417.40

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Solution

The fourth proportional to 4,198,289.40, 6,288,102.90 and 3,638,417.40 is: 5,449,539.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,198,289.40 : 6,288,102.90 = 3,638,417.40 : x
  2. Step 2: Convert to fraction form
    4,198,289.40/6,288,102.90 = 3,638,417.40/x
  3. Step 3: Cross multiply
    4,198,289.40x = 6,288,102.90 × 3,638,417.40
  4. Step 4: Simplify right side
    4,198,289.40x = 22,878,743,004,350.46
  5. Step 5: Solve for x
    x = 22,878,743,004,350.46/4,198,289.40
  6. Step 6: Final answer
    x = 5,449,539.28

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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.