Home / 2,798,622.40-4,194,823.20-1,200,913.60

Finding the Fourth Proportional to 2,798,622.40, 4,194,823.20 and 1,200,913.60

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Solution

The fourth proportional to 2,798,622.40, 4,194,823.20 and 1,200,913.60 is: 1,800,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,798,622.40 : 4,194,823.20 = 1,200,913.60 : x
  2. Step 2: Convert to fraction form
    2,798,622.40/4,194,823.20 = 1,200,913.60/x
  3. Step 3: Cross multiply
    2,798,622.40x = 4,194,823.20 × 1,200,913.60
  4. Step 4: Simplify right side
    2,798,622.40x = 5,037,620,230,475.52
  5. Step 5: Solve for x
    x = 5,037,620,230,475.52/2,798,622.40
  6. Step 6: Final answer
    x = 1,800,035.70

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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.