Finding the Fourth Proportional to 5,266,134.55, 7,885,915.80 and 4,203,252.55
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Solution
The fourth proportional to 5,266,134.55, 7,885,915.80 and 4,203,252.55 is: 6,294,274.36
Step by Step Solution
- Step 1: Write the proportion equation
5,266,134.55 : 7,885,915.80 = 4,203,252.55 : x - Step 2: Convert to fraction form
5,266,134.55/7,885,915.80 = 4,203,252.55/x - Step 3: Cross multiply
5,266,134.55x = 7,885,915.80 × 4,203,252.55 - Step 4: Simplify right side
5,266,134.55x = 33,146,495,695,435.29 - Step 5: Solve for x
x = 33,146,495,695,435.29/5,266,134.55 - Step 6: Final answer
x = 6,294,274.36
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.