Finding the Fourth Proportional to 5,427,583.20, 8,180,387.39 and 4,678,466.04
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Solution
The fourth proportional to 5,427,583.20, 8,180,387.39 and 4,678,466.04 is: 7,051,327.11
Step by Step Solution
- Step 1: Write the proportion equation
5,427,583.20 : 8,180,387.39 = 4,678,466.04 : x - Step 2: Convert to fraction form
5,427,583.20/8,180,387.39 = 4,678,466.04/x - Step 3: Cross multiply
5,427,583.20x = 8,180,387.39 × 4,678,466.04 - Step 4: Simplify right side
5,427,583.20x = 38,271,664,583,539.03 - Step 5: Solve for x
x = 38,271,664,583,539.03/5,427,583.20 - Step 6: Final answer
x = 7,051,327.11
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.