Finding the Fourth Proportional to 4,778,376.44, 7,168,613.34 and 3,512,365.88
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Solution
The fourth proportional to 4,778,376.44, 7,168,613.34 and 3,512,365.88 is: 5,269,319.66
Step by Step Solution
- Step 1: Write the proportion equation
4,778,376.44 : 7,168,613.34 = 3,512,365.88 : x - Step 2: Convert to fraction form
4,778,376.44/7,168,613.34 = 3,512,365.88/x - Step 3: Cross multiply
4,778,376.44x = 7,168,613.34 × 3,512,365.88 - Step 4: Simplify right side
4,778,376.44x = 25,178,792,902,328.84 - Step 5: Solve for x
x = 25,178,792,902,328.84/4,778,376.44 - Step 6: Final answer
x = 5,269,319.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.