Finding the Fourth Proportional to 1,705,721.63, 2,351,092.64 and 1,209,174.75
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Solution
The fourth proportional to 1,705,721.63, 2,351,092.64 and 1,209,174.75 is: 1,666,673.98
Step by Step Solution
- Step 1: Write the proportion equation
1,705,721.63 : 2,351,092.64 = 1,209,174.75 : x - Step 2: Convert to fraction form
1,705,721.63/2,351,092.64 = 1,209,174.75/x - Step 3: Cross multiply
1,705,721.63x = 2,351,092.64 × 1,209,174.75 - Step 4: Simplify right side
1,705,721.63x = 2,842,881,849,152.97 - Step 5: Solve for x
x = 2,842,881,849,152.97/1,705,721.63 - Step 6: Final answer
x = 1,666,673.98
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.