Finding the Fourth Proportional to 2,311,530.08, 3,190,180.92 and 1,344,701.12
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Solution
The fourth proportional to 2,311,530.08, 3,190,180.92 and 1,344,701.12 is: 1,855,844.27
Step by Step Solution
- Step 1: Write the proportion equation
2,311,530.08 : 3,190,180.92 = 1,344,701.12 : x - Step 2: Convert to fraction form
2,311,530.08/3,190,180.92 = 1,344,701.12/x - Step 3: Cross multiply
2,311,530.08x = 3,190,180.92 × 1,344,701.12 - Step 4: Simplify right side
2,311,530.08x = 4,289,839,856,126.63 - Step 5: Solve for x
x = 4,289,839,856,126.63/2,311,530.08 - Step 6: Final answer
x = 1,855,844.27
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.