Home / 1,919,716.50-2,880,048.38-571,873.87

Finding the Fourth Proportional to 1,919,716.50, 2,880,048.38 and 571,873.87

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Solution

The fourth proportional to 1,919,716.50, 2,880,048.38 and 571,873.87 is: 857,951.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,919,716.50 : 2,880,048.38 = 571,873.87 : x
  2. Step 2: Convert to fraction form
    1,919,716.50/2,880,048.38 = 571,873.87/x
  3. Step 3: Cross multiply
    1,919,716.50x = 2,880,048.38 × 571,873.87
  4. Step 4: Simplify right side
    1,919,716.50x = 1,647,024,409,998.46
  5. Step 5: Solve for x
    x = 1,647,024,409,998.46/1,919,716.50
  6. Step 6: Final answer
    x = 857,951.90

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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.