Finding the Fourth Proportional to 4,007,172.36, 5,528,160.18 and 2,650,934.28
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Solution
The fourth proportional to 4,007,172.36, 5,528,160.18 and 2,650,934.28 is: 3,657,139.75
Step by Step Solution
- Step 1: Write the proportion equation
4,007,172.36 : 5,528,160.18 = 2,650,934.28 : x - Step 2: Convert to fraction form
4,007,172.36/5,528,160.18 = 2,650,934.28/x - Step 3: Cross multiply
4,007,172.36x = 5,528,160.18 × 2,650,934.28 - Step 4: Simplify right side
4,007,172.36x = 14,654,789,326,492.97 - Step 5: Solve for x
x = 14,654,789,326,492.97/4,007,172.36 - Step 6: Final answer
x = 3,657,139.75
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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.