Home / 3,448,832.79-4,759,390.55-1,999,368.46

Finding the Fourth Proportional to 3,448,832.79, 4,759,390.55 and 1,999,368.46

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Solution

The fourth proportional to 3,448,832.79, 4,759,390.55 and 1,999,368.46 is: 2,759,129.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448,832.79 : 4,759,390.55 = 1,999,368.46 : x
  2. Step 2: Convert to fraction form
    3,448,832.79/4,759,390.55 = 1,999,368.46/x
  3. Step 3: Cross multiply
    3,448,832.79x = 4,759,390.55 × 1,999,368.46
  4. Step 4: Simplify right side
    3,448,832.79x = 9,515,775,347,592.00
  5. Step 5: Solve for x
    x = 9,515,775,347,592.00/3,448,832.79
  6. Step 6: Final answer
    x = 2,759,129.23

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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.