Home / 2,698,139.20-4,046,690.40-804,942.40

Finding the Fourth Proportional to 2,698,139.20, 4,046,690.40 and 804,942.40

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Solution

The fourth proportional to 2,698,139.20, 4,046,690.40 and 804,942.40 is: 1,207,258.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,698,139.20 : 4,046,690.40 = 804,942.40 : x
  2. Step 2: Convert to fraction form
    2,698,139.20/4,046,690.40 = 804,942.40/x
  3. Step 3: Cross multiply
    2,698,139.20x = 4,046,690.40 × 804,942.40
  4. Step 4: Simplify right side
    2,698,139.20x = 3,257,352,682,632.96
  5. Step 5: Solve for x
    x = 3,257,352,682,632.96/2,698,139.20
  6. Step 6: Final answer
    x = 1,207,258.94

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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.