Finding the Fourth Proportional to 5,185,616.49, 7,775,935.20 and 2,450,885.99
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Solution
The fourth proportional to 5,185,616.49, 7,775,935.20 and 2,450,885.99 is: 3,675,152.34
Step by Step Solution
- Step 1: Write the proportion equation
5,185,616.49 : 7,775,935.20 = 2,450,885.99 : x - Step 2: Convert to fraction form
5,185,616.49/7,775,935.20 = 2,450,885.99/x - Step 3: Cross multiply
5,185,616.49x = 7,775,935.20 × 2,450,885.99 - Step 4: Simplify right side
5,185,616.49x = 19,057,930,601,948.17 - Step 5: Solve for x
x = 19,057,930,601,948.17/5,185,616.49 - Step 6: Final answer
x = 3,675,152.34
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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.