Finding the Fourth Proportional to 4,131,495.92, 5,695,455.47 and 2,887,243.28
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Solution
The fourth proportional to 4,131,495.92, 5,695,455.47 and 2,887,243.28 is: 3,980,196.48
Step by Step Solution
- Step 1: Write the proportion equation
4,131,495.92 : 5,695,455.47 = 2,887,243.28 : x - Step 2: Convert to fraction form
4,131,495.92/5,695,455.47 = 2,887,243.28/x - Step 3: Cross multiply
4,131,495.92x = 5,695,455.47 × 2,887,243.28 - Step 4: Simplify right side
4,131,495.92x = 16,444,165,510,741.21 - Step 5: Solve for x
x = 16,444,165,510,741.21/4,131,495.92 - Step 6: Final answer
x = 3,980,196.48
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1.5x scale
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.