Finding the Fourth Proportional to 3,887,711.35, 5,831,173.29 and 1,048,110.55
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Solution
The fourth proportional to 3,887,711.35, 5,831,173.29 and 1,048,110.55 is: 1,572,059.68
Step by Step Solution
- Step 1: Write the proportion equation
3,887,711.35 : 5,831,173.29 = 1,048,110.55 : x - Step 2: Convert to fraction form
3,887,711.35/5,831,173.29 = 1,048,110.55/x - Step 3: Cross multiply
3,887,711.35x = 5,831,173.29 × 1,048,110.55 - Step 4: Simplify right side
3,887,711.35x = 6,111,714,244,127.21 - Step 5: Solve for x
x = 6,111,714,244,127.21/3,887,711.35 - Step 6: Final answer
x = 1,572,059.68
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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.