Home / 5,355,696.31-7,390,921.04-2,908,336.39

Finding the Fourth Proportional to 5,355,696.31, 7,390,921.04 and 2,908,336.39

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Solution

The fourth proportional to 5,355,696.31, 7,390,921.04 and 2,908,336.39 is: 4,013,536.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355,696.31 : 7,390,921.04 = 2,908,336.39 : x
  2. Step 2: Convert to fraction form
    5,355,696.31/7,390,921.04 = 2,908,336.39/x
  3. Step 3: Cross multiply
    5,355,696.31x = 7,390,921.04 × 2,908,336.39
  4. Step 4: Simplify right side
    5,355,696.31x = 21,495,284,594,135.93
  5. Step 5: Solve for x
    x = 21,495,284,594,135.93/5,355,696.31
  6. Step 6: Final answer
    x = 4,013,536.87

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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.