Finding the Fourth Proportional to 1,813,918.32, 2,503,132.11 and 986,995.26
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Solution
The fourth proportional to 1,813,918.32, 2,503,132.11 and 986,995.26 is: 1,362,012.56
Step by Step Solution
- Step 1: Write the proportion equation
1,813,918.32 : 2,503,132.11 = 986,995.26 : x - Step 2: Convert to fraction form
1,813,918.32/2,503,132.11 = 986,995.26/x - Step 3: Cross multiply
1,813,918.32x = 2,503,132.11 × 986,995.26 - Step 4: Simplify right side
1,813,918.32x = 2,470,579,527,723.80 - Step 5: Solve for x
x = 2,470,579,527,723.80/1,813,918.32 - Step 6: Final answer
x = 1,362,012.56
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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.