Finding the Fourth Proportional to 3,133,734.24, 4,296,389.40 and 3,077,047.20
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Solution
The fourth proportional to 3,133,734.24, 4,296,389.40 and 3,077,047.20 is: 4,218,670.75
Step by Step Solution
- Step 1: Write the proportion equation
3,133,734.24 : 4,296,389.40 = 3,077,047.20 : x - Step 2: Convert to fraction form
3,133,734.24/4,296,389.40 = 3,077,047.20/x - Step 3: Cross multiply
3,133,734.24x = 4,296,389.40 × 3,077,047.20 - Step 4: Simplify right side
3,133,734.24x = 13,220,192,973,379.68 - Step 5: Solve for x
x = 13,220,192,973,379.68/3,133,734.24 - Step 6: Final answer
x = 4,218,670.75
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.