Finding the Fourth Proportional to 6,612,811.74, 9,125,982.63 and 3,672,640.35
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Solution
The fourth proportional to 6,612,811.74, 9,125,982.63 and 3,672,640.35 is: 5,068,411.65
Step by Step Solution
- Step 1: Write the proportion equation
6,612,811.74 : 9,125,982.63 = 3,672,640.35 : x - Step 2: Convert to fraction form
6,612,811.74/9,125,982.63 = 3,672,640.35/x - Step 3: Cross multiply
6,612,811.74x = 9,125,982.63 × 3,672,640.35 - Step 4: Simplify right side
6,612,811.74x = 33,516,452,040,337.12 - Step 5: Solve for x
x = 33,516,452,040,337.12/6,612,811.74 - Step 6: Final answer
x = 5,068,411.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.