Finding the Fourth Proportional to 1,643,010.24, 2,267,272.64 and 917,713.52
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Solution
The fourth proportional to 1,643,010.24, 2,267,272.64 and 917,713.52 is: 1,266,399.14
Step by Step Solution
- Step 1: Write the proportion equation
1,643,010.24 : 2,267,272.64 = 917,713.52 : x - Step 2: Convert to fraction form
1,643,010.24/2,267,272.64 = 917,713.52/x - Step 3: Cross multiply
1,643,010.24x = 2,267,272.64 × 917,713.52 - Step 4: Simplify right side
1,643,010.24x = 2,080,706,755,254.09 - Step 5: Solve for x
x = 2,080,706,755,254.09/1,643,010.24 - Step 6: Final answer
x = 1,266,399.14
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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.