Finding the Fourth Proportional to 1,590,553.28, 2,194,897.92 and 865,403.84
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Solution
The fourth proportional to 1,590,553.28, 2,194,897.92 and 865,403.84 is: 1,194,221.60
Step by Step Solution
- Step 1: Write the proportion equation
1,590,553.28 : 2,194,897.92 = 865,403.84 : x - Step 2: Convert to fraction form
1,590,553.28/2,194,897.92 = 865,403.84/x - Step 3: Cross multiply
1,590,553.28x = 2,194,897.92 × 865,403.84 - Step 4: Simplify right side
1,590,553.28x = 1,899,473,088,376.01 - Step 5: Solve for x
x = 1,899,473,088,376.01/1,590,553.28 - Step 6: Final answer
x = 1,194,221.60
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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.