Home / 3,438,588.54-4,745,152.09-1,968,447.45

Finding the Fourth Proportional to 3,438,588.54, 4,745,152.09 and 1,968,447.45

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Solution

The fourth proportional to 3,438,588.54, 4,745,152.09 and 1,968,447.45 is: 2,716,400.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,438,588.54 : 4,745,152.09 = 1,968,447.45 : x
  2. Step 2: Convert to fraction form
    3,438,588.54/4,745,152.09 = 1,968,447.45/x
  3. Step 3: Cross multiply
    3,438,588.54x = 4,745,152.09 × 1,968,447.45
  4. Step 4: Simplify right side
    3,438,588.54x = 9,340,582,551,677.55
  5. Step 5: Solve for x
    x = 9,340,582,551,677.55/3,438,588.54
  6. Step 6: Final answer
    x = 2,716,400.19

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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.