Finding the Fourth Proportional to 5,181,872.82, 7,771,125.12 and 1,722,683.94
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Solution
The fourth proportional to 5,181,872.82, 7,771,125.12 and 1,722,683.94 is: 2,583,466.04
Step by Step Solution
- Step 1: Write the proportion equation
5,181,872.82 : 7,771,125.12 = 1,722,683.94 : x - Step 2: Convert to fraction form
5,181,872.82/7,771,125.12 = 1,722,683.94/x - Step 3: Cross multiply
5,181,872.82x = 7,771,125.12 × 1,722,683.94 - Step 4: Simplify right side
5,181,872.82x = 13,387,192,439,954.57 - Step 5: Solve for x
x = 13,387,192,439,954.57/5,181,872.82 - Step 6: Final answer
x = 2,583,466.04
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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.