Finding the Fourth Proportional to 1,542,852.72, 2,129,089.68 and 854,497.26
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Solution
The fourth proportional to 1,542,852.72, 2,129,089.68 and 854,497.26 is: 1,179,180.15
Step by Step Solution
- Step 1: Write the proportion equation
1,542,852.72 : 2,129,089.68 = 854,497.26 : x - Step 2: Convert to fraction form
1,542,852.72/2,129,089.68 = 854,497.26/x - Step 3: Cross multiply
1,542,852.72x = 2,129,089.68 × 854,497.26 - Step 4: Simplify right side
1,542,852.72x = 1,819,301,297,854.28 - Step 5: Solve for x
x = 1,819,301,297,854.28/1,542,852.72 - Step 6: Final answer
x = 1,179,180.15
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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.