Finding the Fourth Proportional to 6,725,673.41, 9,282,695.02 and 4,212,212.75
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Solution
The fourth proportional to 6,725,673.41, 9,282,695.02 and 4,212,212.75 is: 5,813,646.29
Step by Step Solution
- Step 1: Write the proportion equation
6,725,673.41 : 9,282,695.02 = 4,212,212.75 : x - Step 2: Convert to fraction form
6,725,673.41/9,282,695.02 = 4,212,212.75/x - Step 3: Cross multiply
6,725,673.41x = 9,282,695.02 × 4,212,212.75 - Step 4: Simplify right side
6,725,673.41x = 39,100,686,259,876.18 - Step 5: Solve for x
x = 39,100,686,259,876.18/6,725,673.41 - Step 6: Final answer
x = 5,813,646.29
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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.