Finding the Fourth Proportional to 1,629,734.13, 2,249,034.55 and 976,739.45
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Solution
The fourth proportional to 1,629,734.13, 2,249,034.55 and 976,739.45 is: 1,347,901.30
Step by Step Solution
- Step 1: Write the proportion equation
1,629,734.13 : 2,249,034.55 = 976,739.45 : x - Step 2: Convert to fraction form
1,629,734.13/2,249,034.55 = 976,739.45/x - Step 3: Cross multiply
1,629,734.13x = 2,249,034.55 × 976,739.45 - Step 4: Simplify right side
1,629,734.13x = 2,196,720,755,710.98 - Step 5: Solve for x
x = 2,196,720,755,710.98/1,629,734.13 - Step 6: Final answer
x = 1,347,901.30
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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.