Finding the Fourth Proportional to 5,358,721.04, 7,393,206.12 and 3,320,786.96
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Solution
The fourth proportional to 5,358,721.04, 7,393,206.12 and 3,320,786.96 is: 4,581,552.63
Step by Step Solution
- Step 1: Write the proportion equation
5,358,721.04 : 7,393,206.12 = 3,320,786.96 : x - Step 2: Convert to fraction form
5,358,721.04/7,393,206.12 = 3,320,786.96/x - Step 3: Cross multiply
5,358,721.04x = 7,393,206.12 × 3,320,786.96 - Step 4: Simplify right side
5,358,721.04x = 24,551,262,475,888.20 - Step 5: Solve for x
x = 24,551,262,475,888.20/5,358,721.04 - Step 6: Final answer
x = 4,581,552.63
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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.