Finding the Fourth Proportional to 4,287,267.40, 5,916,211.74 and 2,545,011.26
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Solution
The fourth proportional to 4,287,267.40, 5,916,211.74 and 2,545,011.26 is: 3,511,986.56
Step by Step Solution
- Step 1: Write the proportion equation
4,287,267.40 : 5,916,211.74 = 2,545,011.26 : x - Step 2: Convert to fraction form
4,287,267.40/5,916,211.74 = 2,545,011.26/x - Step 3: Cross multiply
4,287,267.40x = 5,916,211.74 × 2,545,011.26 - Step 4: Simplify right side
4,287,267.40x = 15,056,825,494,844.19 - Step 5: Solve for x
x = 15,056,825,494,844.19/4,287,267.40 - Step 6: Final answer
x = 3,511,986.56
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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.