Home / 2,998,916.78-4,134,200.79-2,137,982.36

Finding the Fourth Proportional to 2,998,916.78, 4,134,200.79 and 2,137,982.36

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Solution

The fourth proportional to 2,998,916.78, 4,134,200.79 and 2,137,982.36 is: 2,947,346.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998,916.78 : 4,134,200.79 = 2,137,982.36 : x
  2. Step 2: Convert to fraction form
    2,998,916.78/4,134,200.79 = 2,137,982.36/x
  3. Step 3: Cross multiply
    2,998,916.78x = 4,134,200.79 × 2,137,982.36
  4. Step 4: Simplify right side
    2,998,916.78x = 8,838,848,341,047.06
  5. Step 5: Solve for x
    x = 8,838,848,341,047.06/2,998,916.78
  6. Step 6: Final answer
    x = 2,947,346.99

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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.