Finding the Fourth Proportional to 5,513,590.88, 8,269,296.24 and 5,240,168.56
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Solution
The fourth proportional to 5,513,590.88, 8,269,296.24 and 5,240,168.56 is: 7,859,216.82
Step by Step Solution
- Step 1: Write the proportion equation
5,513,590.88 : 8,269,296.24 = 5,240,168.56 : x - Step 2: Convert to fraction form
5,513,590.88/8,269,296.24 = 5,240,168.56/x - Step 3: Cross multiply
5,513,590.88x = 8,269,296.24 × 5,240,168.56 - Step 4: Simplify right side
5,513,590.88x = 43,332,506,170,174.21 - Step 5: Solve for x
x = 43,332,506,170,174.21/5,513,590.88 - Step 6: Final answer
x = 7,859,216.82
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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.