Finding the Fourth Proportional to 1,474,312.42, 2,035,178.84 and 991,157.75
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Solution
The fourth proportional to 1,474,312.42, 2,035,178.84 and 991,157.75 is: 1,368,219.69
Step by Step Solution
- Step 1: Write the proportion equation
1,474,312.42 : 2,035,178.84 = 991,157.75 : x - Step 2: Convert to fraction form
1,474,312.42/2,035,178.84 = 991,157.75/x - Step 3: Cross multiply
1,474,312.42x = 2,035,178.84 × 991,157.75 - Step 4: Simplify right side
1,474,312.42x = 2,017,183,274,946.22 - Step 5: Solve for x
x = 2,017,183,274,946.22/1,474,312.42 - Step 6: Final answer
x = 1,368,219.69
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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.