Finding the Fourth Proportional to 3,854,436.96, 5,319,053.76 and 2,135,523
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Solution
The fourth proportional to 3,854,436.96, 5,319,053.76 and 2,135,523 is: 2,946,983.38
Step by Step Solution
- Step 1: Write the proportion equation
3,854,436.96 : 5,319,053.76 = 2,135,523 : x - Step 2: Convert to fraction form
3,854,436.96/5,319,053.76 = 2,135,523/x - Step 3: Cross multiply
3,854,436.96x = 5,319,053.76 × 2,135,523 - Step 4: Simplify right side
3,854,436.96x = 11,358,961,642,716.48 - Step 5: Solve for x
x = 11,358,961,642,716.48/3,854,436.96 - Step 6: Final answer
x = 2,946,983.38
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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.