Finding the Fourth Proportional to 1,474,344.48, 2,035,222.98 and 991,189.74
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Solution
The fourth proportional to 1,474,344.48, 2,035,222.98 and 991,189.74 is: 1,368,263.77
Step by Step Solution
- Step 1: Write the proportion equation
1,474,344.48 : 2,035,222.98 = 991,189.74 : x - Step 2: Convert to fraction form
1,474,344.48/2,035,222.98 = 991,189.74/x - Step 3: Cross multiply
1,474,344.48x = 2,035,222.98 × 991,189.74 - Step 4: Simplify right side
1,474,344.48x = 2,017,292,136,388.23 - Step 5: Solve for x
x = 2,017,292,136,388.23/1,474,344.48 - Step 6: Final answer
x = 1,368,263.77
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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.