Finding the Fourth Proportional to 1,967,553.25, 2,944,663.81 and 1,209,874.62
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Solution
The fourth proportional to 1,967,553.25, 2,944,663.81 and 1,209,874.62 is: 1,810,712.88
Step by Step Solution
- Step 1: Write the proportion equation
1,967,553.25 : 2,944,663.81 = 1,209,874.62 : x - Step 2: Convert to fraction form
1,967,553.25/2,944,663.81 = 1,209,874.62/x - Step 3: Cross multiply
1,967,553.25x = 2,944,663.81 × 1,209,874.62 - Step 4: Simplify right side
1,967,553.25x = 3,562,674,016,169.31 - Step 5: Solve for x
x = 3,562,674,016,169.31/1,967,553.25 - Step 6: Final answer
x = 1,810,712.88
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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.