Home / 1,969,923.40-2,954,885.10-1,335,401.80

Finding the Fourth Proportional to 1,969,923.40, 2,954,885.10 and 1,335,401.80

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Solution

The fourth proportional to 1,969,923.40, 2,954,885.10 and 1,335,401.80 is: 2,003,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,969,923.40 : 2,954,885.10 = 1,335,401.80 : x
  2. Step 2: Convert to fraction form
    1,969,923.40/2,954,885.10 = 1,335,401.80/x
  3. Step 3: Cross multiply
    1,969,923.40x = 2,954,885.10 × 1,335,401.80
  4. Step 4: Simplify right side
    1,969,923.40x = 3,945,958,881,333.18
  5. Step 5: Solve for x
    x = 3,945,958,881,333.18/1,969,923.40
  6. Step 6: Final answer
    x = 2,003,102.70

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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.