Finding the Fourth Proportional to 1,456,231.93, 2,009,609.39 and 811,692.99
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Solution
The fourth proportional to 1,456,231.93, 2,009,609.39 and 811,692.99 is: 1,120,141.52
Step by Step Solution
- Step 1: Write the proportion equation
1,456,231.93 : 2,009,609.39 = 811,692.99 : x - Step 2: Convert to fraction form
1,456,231.93/2,009,609.39 = 811,692.99/x - Step 3: Cross multiply
1,456,231.93x = 2,009,609.39 × 811,692.99 - Step 4: Simplify right side
1,456,231.93x = 1,631,185,854,501.18 - Step 5: Solve for x
x = 1,631,185,854,501.18/1,456,231.93 - Step 6: Final answer
x = 1,120,141.52
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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.