Finding the Fourth Proportional to 2,897,674.05, 3,998,590.16 and 1,608,412.95
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Solution
The fourth proportional to 2,897,674.05, 3,998,590.16 and 1,608,412.95 is: 2,219,498.84
Step by Step Solution
- Step 1: Write the proportion equation
2,897,674.05 : 3,998,590.16 = 1,608,412.95 : x - Step 2: Convert to fraction form
2,897,674.05/3,998,590.16 = 1,608,412.95/x - Step 3: Cross multiply
2,897,674.05x = 3,998,590.16 × 1,608,412.95 - Step 4: Simplify right side
2,897,674.05x = 6,431,384,187,044.51 - Step 5: Solve for x
x = 6,431,384,187,044.51/2,897,674.05 - Step 6: Final answer
x = 2,219,498.84
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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.