Home / 2,761,919.79-4,142,880-842,841.05

Finding the Fourth Proportional to 2,761,919.79, 4,142,880 and 842,841.05

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Solution

The fourth proportional to 2,761,919.79, 4,142,880 and 842,841.05 is: 1,264,261.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,761,919.79 : 4,142,880 = 842,841.05 : x
  2. Step 2: Convert to fraction form
    2,761,919.79/4,142,880 = 842,841.05/x
  3. Step 3: Cross multiply
    2,761,919.79x = 4,142,880 × 842,841.05
  4. Step 4: Simplify right side
    2,761,919.79x = 3,491,789,331,813.30
  5. Step 5: Solve for x
    x = 3,491,789,331,813.30/2,761,919.79
  6. Step 6: Final answer
    x = 1,264,261.67

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1.5x scale

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.