Finding the Fourth Proportional to 3,416,615.96, 5,125,990.08 and 1,020,555.14
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Solution
The fourth proportional to 3,416,615.96, 5,125,990.08 and 1,020,555.14 is: 1,531,151.17
Step by Step Solution
- Step 1: Write the proportion equation
3,416,615.96 : 5,125,990.08 = 1,020,555.14 : x - Step 2: Convert to fraction form
3,416,615.96/5,125,990.08 = 1,020,555.14/x - Step 3: Cross multiply
3,416,615.96x = 5,125,990.08 × 1,020,555.14 - Step 4: Simplify right side
3,416,615.96x = 5,231,355,523,733.01 - Step 5: Solve for x
x = 5,231,355,523,733.01/3,416,615.96 - Step 6: Final answer
x = 1,531,151.17
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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.