Finding the Fourth Proportional to 6,416,078.78, 9,624,560.99 and 1,867,165.26
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Solution
The fourth proportional to 6,416,078.78, 9,624,560.99 and 1,867,165.26 is: 2,800,876.76
Step by Step Solution
- Step 1: Write the proportion equation
6,416,078.78 : 9,624,560.99 = 1,867,165.26 : x - Step 2: Convert to fraction form
6,416,078.78/9,624,560.99 = 1,867,165.26/x - Step 3: Cross multiply
6,416,078.78x = 9,624,560.99 × 1,867,165.26 - Step 4: Simplify right side
6,416,078.78x = 17,970,645,923,279.21 - Step 5: Solve for x
x = 17,970,645,923,279.21/6,416,078.78 - Step 6: Final answer
x = 2,800,876.76
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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.