Finding the Fourth Proportional to 2,755,763.29, 3,802,968.14 and 1,515,453.63
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Solution
The fourth proportional to 2,755,763.29, 3,802,968.14 and 1,515,453.63 is: 2,091,334.15
Step by Step Solution
- Step 1: Write the proportion equation
2,755,763.29 : 3,802,968.14 = 1,515,453.63 : x - Step 2: Convert to fraction form
2,755,763.29/3,802,968.14 = 1,515,453.63/x - Step 3: Cross multiply
2,755,763.29x = 3,802,968.14 × 1,515,453.63 - Step 4: Simplify right side
2,755,763.29x = 5,763,221,872,537.35 - Step 5: Solve for x
x = 5,763,221,872,537.35/2,755,763.29 - Step 6: Final answer
x = 2,091,334.15
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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.