Home / 2,676,911.20-4,016,727.60-1,778,977.60

Finding the Fourth Proportional to 2,676,911.20, 4,016,727.60 and 1,778,977.60

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Solution

The fourth proportional to 2,676,911.20, 4,016,727.60 and 1,778,977.60 is: 2,669,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,676,911.20 : 4,016,727.60 = 1,778,977.60 : x
  2. Step 2: Convert to fraction form
    2,676,911.20/4,016,727.60 = 1,778,977.60/x
  3. Step 3: Cross multiply
    2,676,911.20x = 4,016,727.60 × 1,778,977.60
  4. Step 4: Simplify right side
    2,676,911.20x = 7,145,668,425,701.76
  5. Step 5: Solve for x
    x = 7,145,668,425,701.76/2,676,911.20
  6. Step 6: Final answer
    x = 2,669,370.74

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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.