Finding the Fourth Proportional to 1,668,825.68, 2,503,549.91 and 758,072.12
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Solution
The fourth proportional to 1,668,825.68, 2,503,549.91 and 758,072.12 is: 1,137,249.63
Step by Step Solution
- Step 1: Write the proportion equation
1,668,825.68 : 2,503,549.91 = 758,072.12 : x - Step 2: Convert to fraction form
1,668,825.68/2,503,549.91 = 758,072.12/x - Step 3: Cross multiply
1,668,825.68x = 2,503,549.91 × 758,072.12 - Step 4: Simplify right side
1,668,825.68x = 1,897,871,387,799.51 - Step 5: Solve for x
x = 1,897,871,387,799.51/1,668,825.68 - Step 6: Final answer
x = 1,137,249.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.