Home / 3,847,674.48-5,309,947.08-2,128,767

Finding the Fourth Proportional to 3,847,674.48, 5,309,947.08 and 2,128,767

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Solution

The fourth proportional to 3,847,674.48, 5,309,947.08 and 2,128,767 is: 2,937,784.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,847,674.48 : 5,309,947.08 = 2,128,767 : x
  2. Step 2: Convert to fraction form
    3,847,674.48/5,309,947.08 = 2,128,767/x
  3. Step 3: Cross multiply
    3,847,674.48x = 5,309,947.08 × 2,128,767
  4. Step 4: Simplify right side
    3,847,674.48x = 11,303,640,115,650.36
  5. Step 5: Solve for x
    x = 11,303,640,115,650.36/3,847,674.48
  6. Step 6: Final answer
    x = 2,937,784.93

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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.