Home / 3,939,091.75-5,908,637.63-947,275.75

Finding the Fourth Proportional to 3,939,091.75, 5,908,637.63 and 947,275.75

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Solution

The fourth proportional to 3,939,091.75, 5,908,637.63 and 947,275.75 is: 1,420,913.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,091.75 : 5,908,637.63 = 947,275.75 : x
  2. Step 2: Convert to fraction form
    3,939,091.75/5,908,637.63 = 947,275.75/x
  3. Step 3: Cross multiply
    3,939,091.75x = 5,908,637.63 × 947,275.75
  4. Step 4: Simplify right side
    3,939,091.75x = 5,597,109,142,436.47
  5. Step 5: Solve for x
    x = 5,597,109,142,436.47/3,939,091.75
  6. Step 6: Final answer
    x = 1,420,913.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.