Home / 3,831,805.02-5,287,926.87-2,112,987.18

Finding the Fourth Proportional to 3,831,805.02, 5,287,926.87 and 2,112,987.18

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Solution

The fourth proportional to 3,831,805.02, 5,287,926.87 and 2,112,987.18 is: 2,915,942.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,831,805.02 : 5,287,926.87 = 2,112,987.18 : x
  2. Step 2: Convert to fraction form
    3,831,805.02/5,287,926.87 = 2,112,987.18/x
  3. Step 3: Cross multiply
    3,831,805.02x = 5,287,926.87 × 2,112,987.18
  4. Step 4: Simplify right side
    3,831,805.02x = 11,173,321,685,087.53
  5. Step 5: Solve for x
    x = 11,173,321,685,087.53/3,831,805.02
  6. Step 6: Final answer
    x = 2,915,942.13

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Double scale
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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.