Finding the Fourth Proportional to 1,765,163.19, 2,428,281.21 and 1,546,386.63
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Solution
The fourth proportional to 1,765,163.19, 2,428,281.21 and 1,546,386.63 is: 2,127,316.96
Step by Step Solution
- Step 1: Write the proportion equation
1,765,163.19 : 2,428,281.21 = 1,546,386.63 : x - Step 2: Convert to fraction form
1,765,163.19/2,428,281.21 = 1,546,386.63/x - Step 3: Cross multiply
1,765,163.19x = 2,428,281.21 × 1,546,386.63 - Step 4: Simplify right side
1,765,163.19x = 3,755,061,597,024.22 - Step 5: Solve for x
x = 3,755,061,597,024.22/1,765,163.19 - Step 6: Final answer
x = 2,127,316.96
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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.