Home / 3,531,308.81-4,872,869.03-1,982,215.49

Finding the Fourth Proportional to 3,531,308.81, 4,872,869.03 and 1,982,215.49

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Solution

The fourth proportional to 3,531,308.81, 4,872,869.03 and 1,982,215.49 is: 2,735,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,531,308.81 : 4,872,869.03 = 1,982,215.49 : x
  2. Step 2: Convert to fraction form
    3,531,308.81/4,872,869.03 = 1,982,215.49/x
  3. Step 3: Cross multiply
    3,531,308.81x = 4,872,869.03 × 1,982,215.49
  4. Step 4: Simplify right side
    3,531,308.81x = 9,659,076,452,598.47
  5. Step 5: Solve for x
    x = 9,659,076,452,598.47/3,531,308.81
  6. Step 6: Final answer
    x = 2,735,268.14

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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.