Home / 3,113,105.70-4,669,658.55-869,240.10

Finding the Fourth Proportional to 3,113,105.70, 4,669,658.55 and 869,240.10

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Solution

The fourth proportional to 3,113,105.70, 4,669,658.55 and 869,240.10 is: 1,303,860.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,113,105.70 : 4,669,658.55 = 869,240.10 : x
  2. Step 2: Convert to fraction form
    3,113,105.70/4,669,658.55 = 869,240.10/x
  3. Step 3: Cross multiply
    3,113,105.70x = 4,669,658.55 × 869,240.10
  4. Step 4: Simplify right side
    3,113,105.70x = 4,059,054,464,967.85
  5. Step 5: Solve for x
    x = 4,059,054,464,967.85/3,113,105.70
  6. Step 6: Final answer
    x = 1,303,860.15

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Double scale
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Similar ratio
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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.