Finding the Fourth Proportional to 3,583,128.36, 5,374,659.12 and 1,452,706.05
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Solution
The fourth proportional to 3,583,128.36, 5,374,659.12 and 1,452,706.05 is: 2,179,045.53
Step by Step Solution
- Step 1: Write the proportion equation
3,583,128.36 : 5,374,659.12 = 1,452,706.05 : x - Step 2: Convert to fraction form
3,583,128.36/5,374,659.12 = 1,452,706.05/x - Step 3: Cross multiply
3,583,128.36x = 5,374,659.12 × 1,452,706.05 - Step 4: Simplify right side
3,583,128.36x = 7,807,799,820,311.68 - Step 5: Solve for x
x = 7,807,799,820,311.68/3,583,128.36 - Step 6: Final answer
x = 2,179,045.53
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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.