Finding the Fourth Proportional to 6,473,311.79, 8,933,126.38 and 3,572,702.66
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Solution
The fourth proportional to 6,473,311.79, 8,933,126.38 and 3,572,702.66 is: 4,930,305.45
Step by Step Solution
- Step 1: Write the proportion equation
6,473,311.79 : 8,933,126.38 = 3,572,702.66 : x - Step 2: Convert to fraction form
6,473,311.79/8,933,126.38 = 3,572,702.66/x - Step 3: Cross multiply
6,473,311.79x = 8,933,126.38 × 3,572,702.66 - Step 4: Simplify right side
6,473,311.79x = 31,915,404,379,942.18 - Step 5: Solve for x
x = 31,915,404,379,942.18/6,473,311.79 - Step 6: Final answer
x = 4,930,305.45
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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.