Finding the Fourth Proportional to 1,665,566.07, 2,300,530.61 and 1,205,952.99
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Solution
The fourth proportional to 1,665,566.07, 2,300,530.61 and 1,205,952.99 is: 1,665,699.01
Step by Step Solution
- Step 1: Write the proportion equation
1,665,566.07 : 2,300,530.61 = 1,205,952.99 : x - Step 2: Convert to fraction form
1,665,566.07/2,300,530.61 = 1,205,952.99/x - Step 3: Cross multiply
1,665,566.07x = 2,300,530.61 × 1,205,952.99 - Step 4: Simplify right side
1,665,566.07x = 2,774,331,761,686.26 - Step 5: Solve for x
x = 2,774,331,761,686.26/1,665,566.07 - Step 6: Final answer
x = 1,665,699.01
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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.