Home / 3,869,959.91-5,340,548.10-2,127,658.95

Finding the Fourth Proportional to 3,869,959.91, 5,340,548.10 and 2,127,658.95

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Solution

The fourth proportional to 3,869,959.91, 5,340,548.10 and 2,127,658.95 is: 2,936,171.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,959.91 : 5,340,548.10 = 2,127,658.95 : x
  2. Step 2: Convert to fraction form
    3,869,959.91/5,340,548.10 = 2,127,658.95/x
  3. Step 3: Cross multiply
    3,869,959.91x = 5,340,548.10 × 2,127,658.95
  4. Step 4: Simplify right side
    3,869,959.91x = 11,362,864,962,870.50
  5. Step 5: Solve for x
    x = 11,362,864,962,870.50/3,869,959.91
  6. Step 6: Final answer
    x = 2,936,171.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.