Finding the Fourth Proportional to 5,536,807.60, 8,305,211.40 and 3,105,465.02
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Solution
The fourth proportional to 5,536,807.60, 8,305,211.40 and 3,105,465.02 is: 4,658,197.53
Step by Step Solution
- Step 1: Write the proportion equation
5,536,807.60 : 8,305,211.40 = 3,105,465.02 : x - Step 2: Convert to fraction form
5,536,807.60/8,305,211.40 = 3,105,465.02/x - Step 3: Cross multiply
5,536,807.60x = 8,305,211.40 × 3,105,465.02 - Step 4: Simplify right side
5,536,807.60x = 25,791,543,486,405.23 - Step 5: Solve for x
x = 25,791,543,486,405.23/5,536,807.60 - Step 6: Final answer
x = 4,658,197.53
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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.