Home / 3,414,897.40-5,118,846.90-1,994,222.20

Finding the Fourth Proportional to 3,414,897.40, 5,118,846.90 and 1,994,222.20

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Solution

The fourth proportional to 3,414,897.40, 5,118,846.90 and 1,994,222.20 is: 2,989,289.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,414,897.40 : 5,118,846.90 = 1,994,222.20 : x
  2. Step 2: Convert to fraction form
    3,414,897.40/5,118,846.90 = 1,994,222.20/x
  3. Step 3: Cross multiply
    3,414,897.40x = 5,118,846.90 × 1,994,222.20
  4. Step 4: Simplify right side
    3,414,897.40x = 10,208,118,126,381.18
  5. Step 5: Solve for x
    x = 10,208,118,126,381.18/3,414,897.40
  6. Step 6: Final answer
    x = 2,989,289.85

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1.5x scale

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.