Finding the Fourth Proportional to 6,511,070.62, 9,768,638.62 and 3,920,215.42
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Solution
The fourth proportional to 6,511,070.62, 9,768,638.62 and 3,920,215.42 is: 5,881,546.98
Step by Step Solution
- Step 1: Write the proportion equation
6,511,070.62 : 9,768,638.62 = 3,920,215.42 : x - Step 2: Convert to fraction form
6,511,070.62/9,768,638.62 = 3,920,215.42/x - Step 3: Cross multiply
6,511,070.62x = 9,768,638.62 × 3,920,215.42 - Step 4: Simplify right side
6,511,070.62x = 38,295,167,701,688.33 - Step 5: Solve for x
x = 38,295,167,701,688.33/6,511,070.62 - Step 6: Final answer
x = 5,881,546.98
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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.