Finding the Fourth Proportional to 5,683,725.74, 7,843,449.84 and 3,105,351.12
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Solution
The fourth proportional to 5,683,725.74, 7,843,449.84 and 3,105,351.12 is: 4,285,334.45
Step by Step Solution
- Step 1: Write the proportion equation
5,683,725.74 : 7,843,449.84 = 3,105,351.12 : x - Step 2: Convert to fraction form
5,683,725.74/7,843,449.84 = 3,105,351.12/x - Step 3: Cross multiply
5,683,725.74x = 7,843,449.84 × 3,105,351.12 - Step 4: Simplify right side
5,683,725.74x = 24,356,665,745,307.82 - Step 5: Solve for x
x = 24,356,665,745,307.82/5,683,725.74 - Step 6: Final answer
x = 4,285,334.45
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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.