Finding the Fourth Proportional to 3,118,562.70, 4,677,844.05 and 1,096,790.55
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Solution
The fourth proportional to 3,118,562.70, 4,677,844.05 and 1,096,790.55 is: 1,645,185.83
Step by Step Solution
- Step 1: Write the proportion equation
3,118,562.70 : 4,677,844.05 = 1,096,790.55 : x - Step 2: Convert to fraction form
3,118,562.70/4,677,844.05 = 1,096,790.55/x - Step 3: Cross multiply
3,118,562.70x = 4,677,844.05 × 1,096,790.55 - Step 4: Simplify right side
3,118,562.70x = 5,130,615,148,413.73 - Step 5: Solve for x
x = 5,130,615,148,413.73/3,118,562.70 - Step 6: Final answer
x = 1,645,185.83
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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.