Finding the Fourth Proportional to 1,474,316.53, 2,035,184.62 and 991,161.91
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Solution
The fourth proportional to 1,474,316.53, 2,035,184.62 and 991,161.91 is: 1,368,225.50
Step by Step Solution
- Step 1: Write the proportion equation
1,474,316.53 : 2,035,184.62 = 991,161.91 : x - Step 2: Convert to fraction form
1,474,316.53/2,035,184.62 = 991,161.91/x - Step 3: Cross multiply
1,474,316.53x = 2,035,184.62 × 991,161.91 - Step 4: Simplify right side
1,474,316.53x = 2,017,197,472,683.92 - Step 5: Solve for x
x = 2,017,197,472,683.92/1,474,316.53 - Step 6: Final answer
x = 1,368,225.50
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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.