Finding the Fourth Proportional to 3,445,117.08, 5,164,201.68 and 2,166,638.08
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Solution
The fourth proportional to 3,445,117.08, 5,164,201.68 and 2,166,638.08 is: 3,247,772.36
Step by Step Solution
- Step 1: Write the proportion equation
3,445,117.08 : 5,164,201.68 = 2,166,638.08 : x - Step 2: Convert to fraction form
3,445,117.08/5,164,201.68 = 2,166,638.08/x - Step 3: Cross multiply
3,445,117.08x = 5,164,201.68 × 2,166,638.08 - Step 4: Simplify right side
3,445,117.08x = 11,188,956,012,687.97 - Step 5: Solve for x
x = 11,188,956,012,687.97/3,445,117.08 - Step 6: Final answer
x = 3,247,772.36
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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.