Finding the Fourth Proportional to 4,961,094.16, 6,847,914.96 and 3,215,683.66
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Solution
The fourth proportional to 4,961,094.16, 6,847,914.96 and 3,215,683.66 is: 4,438,683.79
Step by Step Solution
- Step 1: Write the proportion equation
4,961,094.16 : 6,847,914.96 = 3,215,683.66 : x - Step 2: Convert to fraction form
4,961,094.16/6,847,914.96 = 3,215,683.66/x - Step 3: Cross multiply
4,961,094.16x = 6,847,914.96 × 3,215,683.66 - Step 4: Simplify right side
4,961,094.16x = 22,020,728,241,941.55 - Step 5: Solve for x
x = 22,020,728,241,941.55/4,961,094.16 - Step 6: Final answer
x = 4,438,683.79
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.