Finding the Fourth Proportional to 1,804,218.09, 2,489,755.69 and 1,029,888.87
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Solution
The fourth proportional to 1,804,218.09, 2,489,755.69 and 1,029,888.87 is: 1,421,209.38
Step by Step Solution
- Step 1: Write the proportion equation
1,804,218.09 : 2,489,755.69 = 1,029,888.87 : x - Step 2: Convert to fraction form
1,804,218.09/2,489,755.69 = 1,029,888.87/x - Step 3: Cross multiply
1,804,218.09x = 2,489,755.69 × 1,029,888.87 - Step 4: Simplify right side
1,804,218.09x = 2,564,171,674,150.17 - Step 5: Solve for x
x = 2,564,171,674,150.17/1,804,218.09 - Step 6: Final answer
x = 1,421,209.38
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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.