Home / 3,435,874.20-5,155,779.60-1,307,485.80

Finding the Fourth Proportional to 3,435,874.20, 5,155,779.60 and 1,307,485.80

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Solution

The fourth proportional to 3,435,874.20, 5,155,779.60 and 1,307,485.80 is: 1,961,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,435,874.20 : 5,155,779.60 = 1,307,485.80 : x
  2. Step 2: Convert to fraction form
    3,435,874.20/5,155,779.60 = 1,307,485.80/x
  3. Step 3: Cross multiply
    3,435,874.20x = 5,155,779.60 × 1,307,485.80
  4. Step 4: Simplify right side
    3,435,874.20x = 6,741,108,614,929.68
  5. Step 5: Solve for x
    x = 6,741,108,614,929.68/3,435,874.20
  6. Step 6: Final answer
    x = 1,961,977.72

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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.