Home / 3,335,111.52-5,009,361.92-1,989,899.16

Finding the Fourth Proportional to 3,335,111.52, 5,009,361.92 and 1,989,899.16

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Solution

The fourth proportional to 3,335,111.52, 5,009,361.92 and 1,989,899.16 is: 2,988,843.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,335,111.52 : 5,009,361.92 = 1,989,899.16 : x
  2. Step 2: Convert to fraction form
    3,335,111.52/5,009,361.92 = 1,989,899.16/x
  3. Step 3: Cross multiply
    3,335,111.52x = 5,009,361.92 × 1,989,899.16
  4. Step 4: Simplify right side
    3,335,111.52x = 9,968,125,076,743.99
  5. Step 5: Solve for x
    x = 9,968,125,076,743.99/3,335,111.52
  6. Step 6: Final answer
    x = 2,988,843.11

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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.