Home / 1,947,299.89-2,918,338.84-1,515,538.68

Finding the Fourth Proportional to 1,947,299.89, 2,918,338.84 and 1,515,538.68

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Solution

The fourth proportional to 1,947,299.89, 2,918,338.84 and 1,515,538.68 is: 2,271,275.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,299.89 : 2,918,338.84 = 1,515,538.68 : x
  2. Step 2: Convert to fraction form
    1,947,299.89/2,918,338.84 = 1,515,538.68/x
  3. Step 3: Cross multiply
    1,947,299.89x = 2,918,338.84 × 1,515,538.68
  4. Step 4: Simplify right side
    1,947,299.89x = 4,422,855,378,774.64
  5. Step 5: Solve for x
    x = 4,422,855,378,774.64/1,947,299.89
  6. Step 6: Final answer
    x = 2,271,275.94

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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.