Finding the Fourth Proportional to 6,434,447.31, 9,651,663.22 and 1,642,137.09
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Solution
The fourth proportional to 6,434,447.31, 9,651,663.22 and 1,642,137.09 is: 2,463,203.65
Step by Step Solution
- Step 1: Write the proportion equation
6,434,447.31 : 9,651,663.22 = 1,642,137.09 : x - Step 2: Convert to fraction form
6,434,447.31/9,651,663.22 = 1,642,137.09/x - Step 3: Cross multiply
6,434,447.31x = 9,651,663.22 × 1,642,137.09 - Step 4: Simplify right side
6,434,447.31x = 15,849,354,133,727.01 - Step 5: Solve for x
x = 15,849,354,133,727.01/6,434,447.31 - Step 6: Final answer
x = 2,463,203.65
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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.