Finding the Fourth Proportional to 3,136,216.54, 4,328,239.68 and 1,740,909.49
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Solution
The fourth proportional to 3,136,216.54, 4,328,239.68 and 1,740,909.49 is: 2,402,599.89
Step by Step Solution
- Step 1: Write the proportion equation
3,136,216.54 : 4,328,239.68 = 1,740,909.49 : x - Step 2: Convert to fraction form
3,136,216.54/4,328,239.68 = 1,740,909.49/x - Step 3: Cross multiply
3,136,216.54x = 4,328,239.68 × 1,740,909.49 - Step 4: Simplify right side
3,136,216.54x = 7,535,073,503,560.82 - Step 5: Solve for x
x = 7,535,073,503,560.82/3,136,216.54 - Step 6: Final answer
x = 2,402,599.89
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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.