Home / 1,947,298.96-2,918,337.49-1,515,537.78

Finding the Fourth Proportional to 1,947,298.96, 2,918,337.49 and 1,515,537.78

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Solution

The fourth proportional to 1,947,298.96, 2,918,337.49 and 1,515,537.78 is: 2,271,274.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,298.96 : 2,918,337.49 = 1,515,537.78 : x
  2. Step 2: Convert to fraction form
    1,947,298.96/2,918,337.49 = 1,515,537.78/x
  3. Step 3: Cross multiply
    1,947,298.96x = 2,918,337.49 × 1,515,537.78
  4. Step 4: Simplify right side
    1,947,298.96x = 4,422,850,720,885.37
  5. Step 5: Solve for x
    x = 4,422,850,720,885.37/1,947,298.96
  6. Step 6: Final answer
    x = 2,271,274.63

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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.