Finding the Fourth Proportional to 4,761,129.60, 7,129,570.61 and 3,136,974.44
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Solution
The fourth proportional to 4,761,129.60, 7,129,570.61 and 3,136,974.44 is: 4,697,473.62
Step by Step Solution
- Step 1: Write the proportion equation
4,761,129.60 : 7,129,570.61 = 3,136,974.44 : x - Step 2: Convert to fraction form
4,761,129.60/7,129,570.61 = 3,136,974.44/x - Step 3: Cross multiply
4,761,129.60x = 7,129,570.61 × 3,136,974.44 - Step 4: Simplify right side
4,761,129.60x = 22,365,280,720,412.48 - Step 5: Solve for x
x = 22,365,280,720,412.48/4,761,129.60 - Step 6: Final answer
x = 4,697,473.62
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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.