Home / 3,448,806.79-4,759,354.67-1,999,342.48

Finding the Fourth Proportional to 3,448,806.79, 4,759,354.67 and 1,999,342.48

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Solution

The fourth proportional to 3,448,806.79, 4,759,354.67 and 1,999,342.48 is: 2,759,093.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,806.79 : 4,759,354.67 = 1,999,342.48 : x
  2. Step 2: Convert to fraction form
    3,448,806.79/4,759,354.67 = 1,999,342.48/x
  3. Step 3: Cross multiply
    3,448,806.79x = 4,759,354.67 × 1,999,342.48
  4. Step 4: Simplify right side
    3,448,806.79x = 9,515,579,969,117.38
  5. Step 5: Solve for x
    x = 9,515,579,969,117.38/3,448,806.79
  6. Step 6: Final answer
    x = 2,759,093.38

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1.5x scale

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.