Finding the Fourth Proportional to 4,680,763.96, 7,020,642.93 and 3,174,117.79
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Solution
The fourth proportional to 4,680,763.96, 7,020,642.93 and 3,174,117.79 is: 4,760,835.58
Step by Step Solution
- Step 1: Write the proportion equation
4,680,763.96 : 7,020,642.93 = 3,174,117.79 : x - Step 2: Convert to fraction form
4,680,763.96/7,020,642.93 = 3,174,117.79/x - Step 3: Cross multiply
4,680,763.96x = 7,020,642.93 × 3,174,117.79 - Step 4: Simplify right side
4,680,763.96x = 22,284,347,621,350.72 - Step 5: Solve for x
x = 22,284,347,621,350.72/4,680,763.96 - Step 6: Final answer
x = 4,760,835.58
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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.