Finding the Fourth Proportional to 4,914,418.64, 7,374,946.73 and 1,719,572.49
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Solution
The fourth proportional to 4,914,418.64, 7,374,946.73 and 1,719,572.49 is: 2,580,519.99
Step by Step Solution
- Step 1: Write the proportion equation
4,914,418.64 : 7,374,946.73 = 1,719,572.49 : x - Step 2: Convert to fraction form
4,914,418.64/7,374,946.73 = 1,719,572.49/x - Step 3: Cross multiply
4,914,418.64x = 7,374,946.73 × 1,719,572.49 - Step 4: Simplify right side
4,914,418.64x = 12,681,755,503,525.59 - Step 5: Solve for x
x = 12,681,755,503,525.59/4,914,418.64 - Step 6: Final answer
x = 2,580,519.99
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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.