Finding the Fourth Proportional to 1,938,036.44, 2,674,490.29 and 1,078,799.68
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Solution
The fourth proportional to 1,938,036.44, 2,674,490.29 and 1,078,799.68 is: 1,488,743.56
Step by Step Solution
- Step 1: Write the proportion equation
1,938,036.44 : 2,674,490.29 = 1,078,799.68 : x - Step 2: Convert to fraction form
1,938,036.44/2,674,490.29 = 1,078,799.68/x - Step 3: Cross multiply
1,938,036.44x = 2,674,490.29 × 1,078,799.68 - Step 4: Simplify right side
1,938,036.44x = 2,885,239,269,015.11 - Step 5: Solve for x
x = 2,885,239,269,015.11/1,938,036.44 - Step 6: Final answer
x = 1,488,743.56
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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.