Finding the Fourth Proportional to 1,422,102.99, 1,962,464.43 and 841,356.09
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Solution
The fourth proportional to 1,422,102.99, 1,962,464.43 and 841,356.09 is: 1,161,049.10
Step by Step Solution
- Step 1: Write the proportion equation
1,422,102.99 : 1,962,464.43 = 841,356.09 : x - Step 2: Convert to fraction form
1,422,102.99/1,962,464.43 = 841,356.09/x - Step 3: Cross multiply
1,422,102.99x = 1,962,464.43 × 841,356.09 - Step 4: Simplify right side
1,422,102.99x = 1,651,131,399,588.88 - Step 5: Solve for x
x = 1,651,131,399,588.88/1,422,102.99 - Step 6: Final answer
x = 1,161,049.10
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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.