Home / 2,831,885.10-3,907,986.12-1,542,722.40

Finding the Fourth Proportional to 2,831,885.10, 3,907,986.12 and 1,542,722.40

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Solution

The fourth proportional to 2,831,885.10, 3,907,986.12 and 1,542,722.40 is: 2,128,948.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,885.10 : 3,907,986.12 = 1,542,722.40 : x
  2. Step 2: Convert to fraction form
    2,831,885.10/3,907,986.12 = 1,542,722.40/x
  3. Step 3: Cross multiply
    2,831,885.10x = 3,907,986.12 × 1,542,722.40
  4. Step 4: Simplify right side
    2,831,885.10x = 6,028,937,726,213.09
  5. Step 5: Solve for x
    x = 6,028,937,726,213.09/2,831,885.10
  6. Step 6: Final answer
    x = 2,128,948.57

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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.