Home / 2,120,269.80-3,180,404.70-1,888,026.60

Finding the Fourth Proportional to 2,120,269.80, 3,180,404.70 and 1,888,026.60

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Solution

The fourth proportional to 2,120,269.80, 3,180,404.70 and 1,888,026.60 is: 2,832,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120,269.80 : 3,180,404.70 = 1,888,026.60 : x
  2. Step 2: Convert to fraction form
    2,120,269.80/3,180,404.70 = 1,888,026.60/x
  3. Step 3: Cross multiply
    2,120,269.80x = 3,180,404.70 × 1,888,026.60
  4. Step 4: Simplify right side
    2,120,269.80x = 6,004,688,672,365.02
  5. Step 5: Solve for x
    x = 6,004,688,672,365.02/2,120,269.80
  6. Step 6: Final answer
    x = 2,832,039.90

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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.