Home / 2,831,942.10-3,908,064.78-1,542,779.40

Finding the Fourth Proportional to 2,831,942.10, 3,908,064.78 and 1,542,779.40

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Solution

The fourth proportional to 2,831,942.10, 3,908,064.78 and 1,542,779.40 is: 2,129,027.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,942.10 : 3,908,064.78 = 1,542,779.40 : x
  2. Step 2: Convert to fraction form
    2,831,942.10/3,908,064.78 = 1,542,779.40/x
  3. Step 3: Cross multiply
    2,831,942.10x = 3,908,064.78 × 1,542,779.40
  4. Step 4: Simplify right side
    2,831,942.10x = 6,029,281,836,449.53
  5. Step 5: Solve for x
    x = 6,029,281,836,449.53/2,831,942.10
  6. Step 6: Final answer
    x = 2,129,027.23

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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.