Finding the Fourth Proportional to 5,321,109.20, 7,343,138.88 and 3,029,269.88
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Solution
The fourth proportional to 5,321,109.20, 7,343,138.88 and 3,029,269.88 is: 4,180,397.09
Step by Step Solution
- Step 1: Write the proportion equation
5,321,109.20 : 7,343,138.88 = 3,029,269.88 : x - Step 2: Convert to fraction form
5,321,109.20/7,343,138.88 = 3,029,269.88/x - Step 3: Cross multiply
5,321,109.20x = 7,343,138.88 × 3,029,269.88 - Step 4: Simplify right side
5,321,109.20x = 22,244,349,397,125.24 - Step 5: Solve for x
x = 22,244,349,397,125.24/5,321,109.20 - Step 6: Final answer
x = 4,180,397.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.