Finding the Fourth Proportional to 5,388,206.88, 7,435,620.09 and 2,940,835.47
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Solution
The fourth proportional to 5,388,206.88, 7,435,620.09 and 2,940,835.47 is: 4,058,295.42
Step by Step Solution
- Step 1: Write the proportion equation
5,388,206.88 : 7,435,620.09 = 2,940,835.47 : x - Step 2: Convert to fraction form
5,388,206.88/7,435,620.09 = 2,940,835.47/x - Step 3: Cross multiply
5,388,206.88x = 7,435,620.09 × 2,940,835.47 - Step 4: Simplify right side
5,388,206.88x = 21,866,935,302,116.59 - Step 5: Solve for x
x = 21,866,935,302,116.59/5,388,206.88 - Step 6: Final answer
x = 4,058,295.42
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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.