Finding the Fourth Proportional to 5,358,475.20, 8,037,712.80 and 1,369,387.20
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Solution
The fourth proportional to 5,358,475.20, 8,037,712.80 and 1,369,387.20 is: 2,054,080.80
Step by Step Solution
- Step 1: Write the proportion equation
5,358,475.20 : 8,037,712.80 = 1,369,387.20 : x - Step 2: Convert to fraction form
5,358,475.20/8,037,712.80 = 1,369,387.20/x - Step 3: Cross multiply
5,358,475.20x = 8,037,712.80 × 1,369,387.20 - Step 4: Simplify right side
5,358,475.20x = 11,006,741,025,596.16 - Step 5: Solve for x
x = 11,006,741,025,596.16/5,358,475.20 - Step 6: Final answer
x = 2,054,080.80
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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.