Finding the Fourth Proportional to 5,246,165.12, 7,869,528.48 and 1,652,211.96
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Solution
The fourth proportional to 5,246,165.12, 7,869,528.48 and 1,652,211.96 is: 2,478,406.37
Step by Step Solution
- Step 1: Write the proportion equation
5,246,165.12 : 7,869,528.48 = 1,652,211.96 : x - Step 2: Convert to fraction form
5,246,165.12/7,869,528.48 = 1,652,211.96/x - Step 3: Cross multiply
5,246,165.12x = 7,869,528.48 × 1,652,211.96 - Step 4: Simplify right side
5,246,165.12x = 13,002,129,074,216.62 - Step 5: Solve for x
x = 13,002,129,074,216.62/5,246,165.12 - Step 6: Final answer
x = 2,478,406.37
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.