Finding the Fourth Proportional to 5,675,553.28, 7,818,955.68 and 3,953,558.08
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Solution
The fourth proportional to 5,675,553.28, 7,818,955.68 and 3,953,558.08 is: 5,446,639.98
Step by Step Solution
- Step 1: Write the proportion equation
5,675,553.28 : 7,818,955.68 = 3,953,558.08 : x - Step 2: Convert to fraction form
5,675,553.28/7,818,955.68 = 3,953,558.08/x - Step 3: Cross multiply
5,675,553.28x = 7,818,955.68 × 3,953,558.08 - Step 4: Simplify right side
5,675,553.28x = 30,912,695,405,825.89 - Step 5: Solve for x
x = 30,912,695,405,825.89/5,675,553.28 - Step 6: Final answer
x = 5,446,639.98
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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.