Finding the Fourth Proportional to 2,887,769.48, 3,987,001.97 and 1,855,674.96
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Solution
The fourth proportional to 2,887,769.48, 3,987,001.97 and 1,855,674.96 is: 2,562,039.59
Step by Step Solution
- Step 1: Write the proportion equation
2,887,769.48 : 3,987,001.97 = 1,855,674.96 : x - Step 2: Convert to fraction form
2,887,769.48/3,987,001.97 = 1,855,674.96/x - Step 3: Cross multiply
2,887,769.48x = 3,987,001.97 × 1,855,674.96 - Step 4: Simplify right side
2,887,769.48x = 7,398,579,711,921.30 - Step 5: Solve for x
x = 7,398,579,711,921.30/2,887,769.48 - Step 6: Final answer
x = 2,562,039.59
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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.