Home / 4,130,768.78-6,196,152.04-1,290,880.94

Finding the Fourth Proportional to 4,130,768.78, 6,196,152.04 and 1,290,880.94

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Solution

The fourth proportional to 4,130,768.78, 6,196,152.04 and 1,290,880.94 is: 1,936,321.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130,768.78 : 6,196,152.04 = 1,290,880.94 : x
  2. Step 2: Convert to fraction form
    4,130,768.78/6,196,152.04 = 1,290,880.94/x
  3. Step 3: Cross multiply
    4,130,768.78x = 6,196,152.04 × 1,290,880.94
  4. Step 4: Simplify right side
    4,130,768.78x = 7,998,494,569,778.12
  5. Step 5: Solve for x
    x = 7,998,494,569,778.12/4,130,768.78
  6. Step 6: Final answer
    x = 1,936,321.06

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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.