Home / 2,746,919.40-4,120,379.10-853,852.20

Finding the Fourth Proportional to 2,746,919.40, 4,120,379.10 and 853,852.20

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Solution

The fourth proportional to 2,746,919.40, 4,120,379.10 and 853,852.20 is: 1,280,778.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,746,919.40 : 4,120,379.10 = 853,852.20 : x
  2. Step 2: Convert to fraction form
    2,746,919.40/4,120,379.10 = 853,852.20/x
  3. Step 3: Cross multiply
    2,746,919.40x = 4,120,379.10 × 853,852.20
  4. Step 4: Simplify right side
    2,746,919.40x = 3,518,194,759,369.02
  5. Step 5: Solve for x
    x = 3,518,194,759,369.02/2,746,919.40
  6. Step 6: Final answer
    x = 1,280,778.30

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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.