Finding the Fourth Proportional to 5,896,921.35, 8,136,405.09 and 3,317,661.03
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Solution
The fourth proportional to 5,896,921.35, 8,136,405.09 and 3,317,661.03 is: 4,577,614.74
Step by Step Solution
- Step 1: Write the proportion equation
5,896,921.35 : 8,136,405.09 = 3,317,661.03 : x - Step 2: Convert to fraction form
5,896,921.35/8,136,405.09 = 3,317,661.03/x - Step 3: Cross multiply
5,896,921.35x = 8,136,405.09 × 3,317,661.03 - Step 4: Simplify right side
5,896,921.35x = 26,993,834,091,386.64 - Step 5: Solve for x
x = 26,993,834,091,386.64/5,896,921.35 - Step 6: Final answer
x = 4,577,614.74
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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.