Finding the Fourth Proportional to 1,601,239.23, 2,209,403.12 and 912,897.99
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Solution
The fourth proportional to 1,601,239.23, 2,209,403.12 and 912,897.99 is: 1,259,624.19
Step by Step Solution
- Step 1: Write the proportion equation
1,601,239.23 : 2,209,403.12 = 912,897.99 : x - Step 2: Convert to fraction form
1,601,239.23/2,209,403.12 = 912,897.99/x - Step 3: Cross multiply
1,601,239.23x = 2,209,403.12 × 912,897.99 - Step 4: Simplify right side
1,601,239.23x = 2,016,959,662,783.24 - Step 5: Solve for x
x = 2,016,959,662,783.24/1,601,239.23 - Step 6: Final answer
x = 1,259,624.19
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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.