Home / 1,916,006.40-2,872,972.80-794,188.80

Finding the Fourth Proportional to 1,916,006.40, 2,872,972.80 and 794,188.80

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Solution

The fourth proportional to 1,916,006.40, 2,872,972.80 and 794,188.80 is: 1,190,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,006.40 : 2,872,972.80 = 794,188.80 : x
  2. Step 2: Convert to fraction form
    1,916,006.40/2,872,972.80 = 794,188.80/x
  3. Step 3: Cross multiply
    1,916,006.40x = 2,872,972.80 × 794,188.80
  4. Step 4: Simplify right side
    1,916,006.40x = 2,281,682,820,464.64
  5. Step 5: Solve for x
    x = 2,281,682,820,464.64/1,916,006.40
  6. Step 6: Final answer
    x = 1,190,853.44

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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.