Finding the Fourth Proportional to 3,887,709.36, 5,831,170.28 and 1,048,108.56
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Solution
The fourth proportional to 3,887,709.36, 5,831,170.28 and 1,048,108.56 is: 1,572,056.68
Step by Step Solution
- Step 1: Write the proportion equation
3,887,709.36 : 5,831,170.28 = 1,048,108.56 : x - Step 2: Convert to fraction form
3,887,709.36/5,831,170.28 = 1,048,108.56/x - Step 3: Cross multiply
3,887,709.36x = 5,831,170.28 × 1,048,108.56 - Step 4: Simplify right side
3,887,709.36x = 6,111,699,485,285.60 - Step 5: Solve for x
x = 6,111,699,485,285.60/3,887,709.36 - Step 6: Final answer
x = 1,572,056.68
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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.