Home / 3,120,198.60-4,680,297.90-2,037,779.40

Finding the Fourth Proportional to 3,120,198.60, 4,680,297.90 and 2,037,779.40

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Solution

The fourth proportional to 3,120,198.60, 4,680,297.90 and 2,037,779.40 is: 3,056,669.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,198.60 : 4,680,297.90 = 2,037,779.40 : x
  2. Step 2: Convert to fraction form
    3,120,198.60/4,680,297.90 = 2,037,779.40/x
  3. Step 3: Cross multiply
    3,120,198.60x = 4,680,297.90 × 2,037,779.40
  4. Step 4: Simplify right side
    3,120,198.60x = 9,537,414,646,483.26
  5. Step 5: Solve for x
    x = 9,537,414,646,483.26/3,120,198.60
  6. Step 6: Final answer
    x = 3,056,669.10

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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.