Finding the Fourth Proportional to 1,666,262.23, 2,299,428.67 and 902,315.79
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Solution
The fourth proportional to 1,666,262.23, 2,299,428.67 and 902,315.79 is: 1,245,188.64
Step by Step Solution
- Step 1: Write the proportion equation
1,666,262.23 : 2,299,428.67 = 902,315.79 : x - Step 2: Convert to fraction form
1,666,262.23/2,299,428.67 = 902,315.79/x - Step 3: Cross multiply
1,666,262.23x = 2,299,428.67 × 902,315.79 - Step 4: Simplify right side
1,666,262.23x = 2,074,810,796,919.70 - Step 5: Solve for x
x = 2,074,810,796,919.70/1,666,262.23 - Step 6: Final answer
x = 1,245,188.64
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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.