Finding the Fourth Proportional to 3,939,771, 5,436,967.08 and 2,220,891.48
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Solution
The fourth proportional to 3,939,771, 5,436,967.08 and 2,220,891.48 is: 3,064,877.09
Step by Step Solution
- Step 1: Write the proportion equation
3,939,771 : 5,436,967.08 = 2,220,891.48 : x - Step 2: Convert to fraction form
3,939,771/5,436,967.08 = 2,220,891.48/x - Step 3: Cross multiply
3,939,771x = 5,436,967.08 × 2,220,891.48 - Step 4: Simplify right side
3,939,771x = 12,074,913,865,012.48 - Step 5: Solve for x
x = 12,074,913,865,012.48/3,939,771 - Step 6: Final answer
x = 3,064,877.09
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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.