Finding the Fourth Proportional to 3,646,810.11, 5,032,900.98 and 2,015,535.99
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Solution
The fourth proportional to 3,646,810.11, 5,032,900.98 and 2,015,535.99 is: 2,781,607.15
Step by Step Solution
- Step 1: Write the proportion equation
3,646,810.11 : 5,032,900.98 = 2,015,535.99 : x - Step 2: Convert to fraction form
3,646,810.11/5,032,900.98 = 2,015,535.99/x - Step 3: Cross multiply
3,646,810.11x = 5,032,900.98 × 2,015,535.99 - Step 4: Simplify right side
3,646,810.11x = 10,143,993,059,296.27 - Step 5: Solve for x
x = 10,143,993,059,296.27/3,646,810.11 - Step 6: Final answer
x = 2,781,607.15
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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.