Finding the Fourth Proportional to 1,765,165.19, 2,428,283.97 and 1,546,388.63
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Solution
The fourth proportional to 1,765,165.19, 2,428,283.97 and 1,546,388.63 is: 2,127,319.72
Step by Step Solution
- Step 1: Write the proportion equation
1,765,165.19 : 2,428,283.97 = 1,546,388.63 : x - Step 2: Convert to fraction form
1,765,165.19/2,428,283.97 = 1,546,388.63/x - Step 3: Cross multiply
1,765,165.19x = 2,428,283.97 × 1,546,388.63 - Step 4: Simplify right side
1,765,165.19x = 3,755,070,721,619.26 - Step 5: Solve for x
x = 3,755,070,721,619.26/1,765,165.19 - Step 6: Final answer
x = 2,127,319.72
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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.