Finding the Fourth Proportional to 4,131,492.77, 5,695,451.04 and 2,887,240.09
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Solution
The fourth proportional to 4,131,492.77, 5,695,451.04 and 2,887,240.09 is: 3,980,192.03
Step by Step Solution
- Step 1: Write the proportion equation
4,131,492.77 : 5,695,451.04 = 2,887,240.09 : x - Step 2: Convert to fraction form
4,131,492.77/5,695,451.04 = 2,887,240.09/x - Step 3: Cross multiply
4,131,492.77x = 5,695,451.04 × 2,887,240.09 - Step 4: Simplify right side
4,131,492.77x = 16,444,134,580,587.69 - Step 5: Solve for x
x = 16,444,134,580,587.69/4,131,492.77 - Step 6: Final answer
x = 3,980,192.03
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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.