Finding the Fourth Proportional to 5,466,318.81, 7,543,576.34 and 3,018,990.88
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Solution
The fourth proportional to 5,466,318.81, 7,543,576.34 and 3,018,990.88 is: 4,166,238.55
Step by Step Solution
- Step 1: Write the proportion equation
5,466,318.81 : 7,543,576.34 = 3,018,990.88 : x - Step 2: Convert to fraction form
5,466,318.81/7,543,576.34 = 3,018,990.88/x - Step 3: Cross multiply
5,466,318.81x = 7,543,576.34 × 3,018,990.88 - Step 4: Simplify right side
5,466,318.81x = 22,773,988,173,043.78 - Step 5: Solve for x
x = 22,773,988,173,043.78/5,466,318.81 - Step 6: Final answer
x = 4,166,238.55
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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.