Finding the Fourth Proportional to 5,153,702.36, 7,729,276.18 and 1,741,913.21
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Solution
The fourth proportional to 5,153,702.36, 7,729,276.18 and 1,741,913.21 is: 2,612,438.08
Step by Step Solution
- Step 1: Write the proportion equation
5,153,702.36 : 7,729,276.18 = 1,741,913.21 : x - Step 2: Convert to fraction form
5,153,702.36/7,729,276.18 = 1,741,913.21/x - Step 3: Cross multiply
5,153,702.36x = 7,729,276.18 × 1,741,913.21 - Step 4: Simplify right side
5,153,702.36x = 13,463,728,281,680.34 - Step 5: Solve for x
x = 13,463,728,281,680.34/5,153,702.36 - Step 6: Final answer
x = 2,612,438.08
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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.