Finding the Fourth Proportional to 5,035,731.84, 7,555,830.72 and 2,639,006.72
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Solution
The fourth proportional to 5,035,731.84, 7,555,830.72 and 2,639,006.72 is: 3,959,680.28
Step by Step Solution
- Step 1: Write the proportion equation
5,035,731.84 : 7,555,830.72 = 2,639,006.72 : x - Step 2: Convert to fraction form
5,035,731.84/7,555,830.72 = 2,639,006.72/x - Step 3: Cross multiply
5,035,731.84x = 7,555,830.72 × 2,639,006.72 - Step 4: Simplify right side
5,035,731.84x = 19,939,888,045,262.44 - Step 5: Solve for x
x = 19,939,888,045,262.44/5,035,731.84 - Step 6: Final answer
x = 3,959,680.28
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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.