Home / 3,878,036.48-5,817,977.92-1,954,220.80

Finding the Fourth Proportional to 3,878,036.48, 5,817,977.92 and 1,954,220.80

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Solution

The fourth proportional to 3,878,036.48, 5,817,977.92 and 1,954,220.80 is: 2,931,796.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,878,036.48 : 5,817,977.92 = 1,954,220.80 : x
  2. Step 2: Convert to fraction form
    3,878,036.48/5,817,977.92 = 1,954,220.80/x
  3. Step 3: Cross multiply
    3,878,036.48x = 5,817,977.92 × 1,954,220.80
  4. Step 4: Simplify right side
    3,878,036.48x = 11,369,613,465,204.74
  5. Step 5: Solve for x
    x = 11,369,613,465,204.74/3,878,036.48
  6. Step 6: Final answer
    x = 2,931,796.42

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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.