Finding the Fourth Proportional to 4,283,345.43, 6,420,922.38 and 1,586,946.96
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Solution
The fourth proportional to 4,283,345.43, 6,420,922.38 and 1,586,946.96 is: 2,378,902.99
Step by Step Solution
- Step 1: Write the proportion equation
4,283,345.43 : 6,420,922.38 = 1,586,946.96 : x - Step 2: Convert to fraction form
4,283,345.43/6,420,922.38 = 1,586,946.96/x - Step 3: Cross multiply
4,283,345.43x = 6,420,922.38 × 1,586,946.96 - Step 4: Simplify right side
4,283,345.43x = 10,189,663,251,336.96 - Step 5: Solve for x
x = 10,189,663,251,336.96/4,283,345.43 - Step 6: Final answer
x = 2,378,902.99
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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.