Finding the Fourth Proportional to 6,328,456.86, 9,493,128.16 and 3,132,724.98
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Solution
The fourth proportional to 6,328,456.86, 9,493,128.16 and 3,132,724.98 is: 4,699,306.70
Step by Step Solution
- Step 1: Write the proportion equation
6,328,456.86 : 9,493,128.16 = 3,132,724.98 : x - Step 2: Convert to fraction form
6,328,456.86/9,493,128.16 = 3,132,724.98/x - Step 3: Cross multiply
6,328,456.86x = 9,493,128.16 × 3,132,724.98 - Step 4: Simplify right side
6,328,456.86x = 29,739,359,725,173.44 - Step 5: Solve for x
x = 29,739,359,725,173.44/6,328,456.86 - Step 6: Final answer
x = 4,699,306.70
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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.