Finding the Fourth Proportional to 6,129,272.16, 8,458,452.63 and 3,376,057.32
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Solution
The fourth proportional to 6,129,272.16, 8,458,452.63 and 3,376,057.32 is: 4,658,990.52
Step by Step Solution
- Step 1: Write the proportion equation
6,129,272.16 : 8,458,452.63 = 3,376,057.32 : x - Step 2: Convert to fraction form
6,129,272.16/8,458,452.63 = 3,376,057.32/x - Step 3: Cross multiply
6,129,272.16x = 8,458,452.63 × 3,376,057.32 - Step 4: Simplify right side
6,129,272.16x = 28,556,220,917,384.75 - Step 5: Solve for x
x = 28,556,220,917,384.75/6,129,272.16 - Step 6: Final answer
x = 4,658,990.52
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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.