Finding the Fourth Proportional to 5,854,390.05, 8,079,153.93 and 3,205,193.34
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Solution
The fourth proportional to 5,854,390.05, 8,079,153.93 and 3,205,193.34 is: 4,423,219.18
Step by Step Solution
- Step 1: Write the proportion equation
5,854,390.05 : 8,079,153.93 = 3,205,193.34 : x - Step 2: Convert to fraction form
5,854,390.05/8,079,153.93 = 3,205,193.34/x - Step 3: Cross multiply
5,854,390.05x = 8,079,153.93 × 3,205,193.34 - Step 4: Simplify right side
5,854,390.05x = 25,895,250,369,270.82 - Step 5: Solve for x
x = 25,895,250,369,270.82/5,854,390.05 - Step 6: Final answer
x = 4,423,219.18
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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.