Finding the Fourth Proportional to 2,921,663.92, 4,382,495.96 and 791,747.96
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Solution
The fourth proportional to 2,921,663.92, 4,382,495.96 and 791,747.96 is: 1,187,621.96
Step by Step Solution
- Step 1: Write the proportion equation
2,921,663.92 : 4,382,495.96 = 791,747.96 : x - Step 2: Convert to fraction form
2,921,663.92/4,382,495.96 = 791,747.96/x - Step 3: Cross multiply
2,921,663.92x = 4,382,495.96 × 791,747.96 - Step 4: Simplify right side
2,921,663.92x = 3,469,832,236,038.24 - Step 5: Solve for x
x = 3,469,832,236,038.24/2,921,663.92 - Step 6: Final answer
x = 1,187,621.96
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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.