Finding the Fourth Proportional to 1,338,908.60, 1,847,010.66 and 854,964.92
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Solution
The fourth proportional to 1,338,908.60, 1,847,010.66 and 854,964.92 is: 1,179,415.32
Step by Step Solution
- Step 1: Write the proportion equation
1,338,908.60 : 1,847,010.66 = 854,964.92 : x - Step 2: Convert to fraction form
1,338,908.60/1,847,010.66 = 854,964.92/x - Step 3: Cross multiply
1,338,908.60x = 1,847,010.66 × 854,964.92 - Step 4: Simplify right side
1,338,908.60x = 1,579,129,321,166.05 - Step 5: Solve for x
x = 1,579,129,321,166.05/1,338,908.60 - Step 6: Final answer
x = 1,179,415.32
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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.