Home / 3,395,619.72-4,685,675.22-1,999,963.80

Finding the Fourth Proportional to 3,395,619.72, 4,685,675.22 and 1,999,963.80

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Solution

The fourth proportional to 3,395,619.72, 4,685,675.22 and 1,999,963.80 is: 2,759,785.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,395,619.72 : 4,685,675.22 = 1,999,963.80 : x
  2. Step 2: Convert to fraction form
    3,395,619.72/4,685,675.22 = 1,999,963.80/x
  3. Step 3: Cross multiply
    3,395,619.72x = 4,685,675.22 × 1,999,963.80
  4. Step 4: Simplify right side
    3,395,619.72x = 9,371,180,818,557.04
  5. Step 5: Solve for x
    x = 9,371,180,818,557.04/3,395,619.72
  6. Step 6: Final answer
    x = 2,759,785.13

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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.