Finding the Fourth Proportional to 7,852,546.35, 11,779,081.97 and 2,172,294.99
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Solution
The fourth proportional to 7,852,546.35, 11,779,081.97 and 2,172,294.99 is: 3,258,515.09
Step by Step Solution
- Step 1: Write the proportion equation
7,852,546.35 : 11,779,081.97 = 2,172,294.99 : x - Step 2: Convert to fraction form
7,852,546.35/11,779,081.97 = 2,172,294.99/x - Step 3: Cross multiply
7,852,546.35x = 11,779,081.97 × 2,172,294.99 - Step 4: Simplify right side
7,852,546.35x = 25,587,640,739,368.86 - Step 5: Solve for x
x = 25,587,640,739,368.86/7,852,546.35 - Step 6: Final answer
x = 3,258,515.09
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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.