Home / 3,869,947.50-5,340,530.97-2,127,646.54

Finding the Fourth Proportional to 3,869,947.50, 5,340,530.97 and 2,127,646.54

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Solution

The fourth proportional to 3,869,947.50, 5,340,530.97 and 2,127,646.54 is: 2,936,154.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,869,947.50 : 5,340,530.97 = 2,127,646.54 : x
  2. Step 2: Convert to fraction form
    3,869,947.50/5,340,530.97 = 2,127,646.54/x
  3. Step 3: Cross multiply
    3,869,947.50x = 5,340,530.97 × 2,127,646.54
  4. Step 4: Simplify right side
    3,869,947.50x = 11,362,762,226,732.02
  5. Step 5: Solve for x
    x = 11,362,762,226,732.02/3,869,947.50
  6. Step 6: Final answer
    x = 2,936,154.10

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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.