Finding the Fourth Proportional to 3,887,551.50, 5,365,888.10 and 2,256,484.35
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Solution
The fourth proportional to 3,887,551.50, 5,365,888.10 and 2,256,484.35 is: 3,114,567.75
Step by Step Solution
- Step 1: Write the proportion equation
3,887,551.50 : 5,365,888.10 = 2,256,484.35 : x - Step 2: Convert to fraction form
3,887,551.50/5,365,888.10 = 2,256,484.35/x - Step 3: Cross multiply
3,887,551.50x = 5,365,888.10 × 2,256,484.35 - Step 4: Simplify right side
3,887,551.50x = 12,108,042,510,218.81 - Step 5: Solve for x
x = 12,108,042,510,218.81/3,887,551.50 - Step 6: Final answer
x = 3,114,567.75
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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.