Home / 2,838,977.77-4,259,137.89-919,885.81

Finding the Fourth Proportional to 2,838,977.77, 4,259,137.89 and 919,885.81

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Solution

The fourth proportional to 2,838,977.77, 4,259,137.89 and 919,885.81 is: 1,380,046.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,838,977.77 : 4,259,137.89 = 919,885.81 : x
  2. Step 2: Convert to fraction form
    2,838,977.77/4,259,137.89 = 919,885.81/x
  3. Step 3: Cross multiply
    2,838,977.77x = 4,259,137.89 × 919,885.81
  4. Step 4: Simplify right side
    2,838,977.77x = 3,917,920,486,548.65
  5. Step 5: Solve for x
    x = 3,917,920,486,548.65/2,838,977.77
  6. Step 6: Final answer
    x = 1,380,046.20

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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.