Finding the Fourth Proportional to 5,193,294.18, 7,167,018.41 and 3,128,957.54
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Solution
The fourth proportional to 5,193,294.18, 7,167,018.41 and 3,128,957.54 is: 4,318,125.55
Step by Step Solution
- Step 1: Write the proportion equation
5,193,294.18 : 7,167,018.41 = 3,128,957.54 : x - Step 2: Convert to fraction form
5,193,294.18/7,167,018.41 = 3,128,957.54/x - Step 3: Cross multiply
5,193,294.18x = 7,167,018.41 × 3,128,957.54 - Step 4: Simplify right side
5,193,294.18x = 22,425,296,293,288.31 - Step 5: Solve for x
x = 22,425,296,293,288.31/5,193,294.18 - Step 6: Final answer
x = 4,318,125.55
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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.