Finding the Fourth Proportional to 2,504,859.11, 3,456,712.12 and 1,358,939.45
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Solution
The fourth proportional to 2,504,859.11, 3,456,712.12 and 1,358,939.45 is: 1,875,339.99
Step by Step Solution
- Step 1: Write the proportion equation
2,504,859.11 : 3,456,712.12 = 1,358,939.45 : x - Step 2: Convert to fraction form
2,504,859.11/3,456,712.12 = 1,358,939.45/x - Step 3: Cross multiply
2,504,859.11x = 3,456,712.12 × 1,358,939.45 - Step 4: Simplify right side
2,504,859.11x = 4,697,462,446,480.23 - Step 5: Solve for x
x = 4,697,462,446,480.23/2,504,859.11 - Step 6: Final answer
x = 1,875,339.99
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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.