Finding the Fourth Proportional to 1,952,849.12, 2,693,849.28 and 1,372,959.68
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Solution
The fourth proportional to 1,952,849.12, 2,693,849.28 and 1,372,959.68 is: 1,893,923.30
Step by Step Solution
- Step 1: Write the proportion equation
1,952,849.12 : 2,693,849.28 = 1,372,959.68 : x - Step 2: Convert to fraction form
1,952,849.12/2,693,849.28 = 1,372,959.68/x - Step 3: Cross multiply
1,952,849.12x = 2,693,849.28 × 1,372,959.68 - Step 4: Simplify right side
1,952,849.12x = 3,698,546,445,437.03 - Step 5: Solve for x
x = 3,698,546,445,437.03/1,952,849.12 - Step 6: Final answer
x = 1,893,923.30
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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.