Home / 1,921,180.94-2,880,216.21-800,089.10

Finding the Fourth Proportional to 1,921,180.94, 2,880,216.21 and 800,089.10

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Solution

The fourth proportional to 1,921,180.94, 2,880,216.21 and 800,089.10 is: 1,199,485.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,921,180.94 : 2,880,216.21 = 800,089.10 : x
  2. Step 2: Convert to fraction form
    1,921,180.94/2,880,216.21 = 800,089.10/x
  3. Step 3: Cross multiply
    1,921,180.94x = 2,880,216.21 × 800,089.10
  4. Step 4: Simplify right side
    1,921,180.94x = 2,304,429,595,264.31
  5. Step 5: Solve for x
    x = 2,304,429,595,264.31/1,921,180.94
  6. Step 6: Final answer
    x = 1,199,485.98

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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.