Finding the Fourth Proportional to 4,137,689.68, 5,709,338.91 and 2,302,100.80
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Solution
The fourth proportional to 4,137,689.68, 5,709,338.91 and 2,302,100.80 is: 3,176,524.75
Step by Step Solution
- Step 1: Write the proportion equation
4,137,689.68 : 5,709,338.91 = 2,302,100.80 : x - Step 2: Convert to fraction form
4,137,689.68/5,709,338.91 = 2,302,100.80/x - Step 3: Cross multiply
4,137,689.68x = 5,709,338.91 × 2,302,100.80 - Step 4: Simplify right side
4,137,689.68x = 13,143,473,657,908.78 - Step 5: Solve for x
x = 13,143,473,657,908.78/4,137,689.68 - Step 6: Final answer
x = 3,176,524.75
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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.