Finding the Fourth Proportional to 4,230,364.08, 6,344,198.28 and 1,389,817.20
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Solution
The fourth proportional to 4,230,364.08, 6,344,198.28 and 1,389,817.20 is: 2,084,282.99
Step by Step Solution
- Step 1: Write the proportion equation
4,230,364.08 : 6,344,198.28 = 1,389,817.20 : x - Step 2: Convert to fraction form
4,230,364.08/6,344,198.28 = 1,389,817.20/x - Step 3: Cross multiply
4,230,364.08x = 6,344,198.28 × 1,389,817.20 - Step 4: Simplify right side
4,230,364.08x = 8,817,275,889,754.42 - Step 5: Solve for x
x = 8,817,275,889,754.42/4,230,364.08 - Step 6: Final answer
x = 2,084,282.99
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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.