Finding the Fourth Proportional to 1,542,440.44, 2,128,566.45 and 854,112.26
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Solution
The fourth proportional to 1,542,440.44, 2,128,566.45 and 854,112.26 is: 1,178,674.16
Step by Step Solution
- Step 1: Write the proportion equation
1,542,440.44 : 2,128,566.45 = 854,112.26 : x - Step 2: Convert to fraction form
1,542,440.44/2,128,566.45 = 854,112.26/x - Step 3: Cross multiply
1,542,440.44x = 2,128,566.45 × 854,112.26 - Step 4: Simplify right side
1,542,440.44x = 1,818,034,686,256.28 - Step 5: Solve for x
x = 1,818,034,686,256.28/1,542,440.44 - Step 6: Final answer
x = 1,178,674.16
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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.