Finding the Fourth Proportional to 6,887,924.80, 9,505,341.12 and 3,832,141.12
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Solution
The fourth proportional to 6,887,924.80, 9,505,341.12 and 3,832,141.12 is: 5,288,357.47
Step by Step Solution
- Step 1: Write the proportion equation
6,887,924.80 : 9,505,341.12 = 3,832,141.12 : x - Step 2: Convert to fraction form
6,887,924.80/9,505,341.12 = 3,832,141.12/x - Step 3: Cross multiply
6,887,924.80x = 9,505,341.12 × 3,832,141.12 - Step 4: Simplify right side
6,887,924.80x = 36,425,808,565,578.85 - Step 5: Solve for x
x = 36,425,808,565,578.85/6,887,924.80 - Step 6: Final answer
x = 5,288,357.47
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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.