Home / 1,947,297.96-2,918,335.99-1,515,536.78

Finding the Fourth Proportional to 1,947,297.96, 2,918,335.99 and 1,515,536.78

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Solution

The fourth proportional to 1,947,297.96, 2,918,335.99 and 1,515,536.78 is: 2,271,273.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,947,297.96 : 2,918,335.99 = 1,515,536.78 : x
  2. Step 2: Convert to fraction form
    1,947,297.96/2,918,335.99 = 1,515,536.78/x
  3. Step 3: Cross multiply
    1,947,297.96x = 2,918,335.99 × 1,515,536.78
  4. Step 4: Simplify right side
    1,947,297.96x = 4,422,845,529,242.71
  5. Step 5: Solve for x
    x = 4,422,845,529,242.71/1,947,297.96
  6. Step 6: Final answer
    x = 2,271,273.13

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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.