Home / 3,889,838.68-5,368,680.02-2,320,071.12

Finding the Fourth Proportional to 3,889,838.68, 5,368,680.02 and 2,320,071.12

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Solution

The fourth proportional to 3,889,838.68, 5,368,680.02 and 2,320,071.12 is: 3,202,117.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,889,838.68 : 5,368,680.02 = 2,320,071.12 : x
  2. Step 2: Convert to fraction form
    3,889,838.68/5,368,680.02 = 2,320,071.12/x
  3. Step 3: Cross multiply
    3,889,838.68x = 5,368,680.02 × 2,320,071.12
  4. Step 4: Simplify right side
    3,889,838.68x = 12,455,719,466,923.02
  5. Step 5: Solve for x
    x = 12,455,719,466,923.02/3,889,838.68
  6. Step 6: Final answer
    x = 3,202,117.23

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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.