Finding the Fourth Proportional to 1,959,381.08, 2,939,102.76 and 744,976.20
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Solution
The fourth proportional to 1,959,381.08, 2,939,102.76 and 744,976.20 is: 1,117,476.14
Step by Step Solution
- Step 1: Write the proportion equation
1,959,381.08 : 2,939,102.76 = 744,976.20 : x - Step 2: Convert to fraction form
1,959,381.08/2,939,102.76 = 744,976.20/x - Step 3: Cross multiply
1,959,381.08x = 2,939,102.76 × 744,976.20 - Step 4: Simplify right side
1,959,381.08x = 2,189,561,605,554.31 - Step 5: Solve for x
x = 2,189,561,605,554.31/1,959,381.08 - Step 6: Final answer
x = 1,117,476.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.