Finding the Fourth Proportional to 1,731,228.29, 2,389,218.68 and 956,842.51
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Solution
The fourth proportional to 1,731,228.29, 2,389,218.68 and 956,842.51 is: 1,320,511.00
Step by Step Solution
- Step 1: Write the proportion equation
1,731,228.29 : 2,389,218.68 = 956,842.51 : x - Step 2: Convert to fraction form
1,731,228.29/2,389,218.68 = 956,842.51/x - Step 3: Cross multiply
1,731,228.29x = 2,389,218.68 × 956,842.51 - Step 4: Simplify right side
1,731,228.29x = 2,286,105,998,710.09 - Step 5: Solve for x
x = 2,286,105,998,710.09/1,731,228.29 - Step 6: Final answer
x = 1,320,511.00
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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.