Finding the Fourth Proportional to 3,783,283.20, 5,220,916.56 and 2,064,388.68
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Solution
The fourth proportional to 3,783,283.20, 5,220,916.56 and 2,064,388.68 is: 2,848,848.60
Step by Step Solution
- Step 1: Write the proportion equation
3,783,283.20 : 5,220,916.56 = 2,064,388.68 : x - Step 2: Convert to fraction form
3,783,283.20/5,220,916.56 = 2,064,388.68/x - Step 3: Cross multiply
3,783,283.20x = 5,220,916.56 × 2,064,388.68 - Step 4: Simplify right side
3,783,283.20x = 10,778,001,045,688.54 - Step 5: Solve for x
x = 10,778,001,045,688.54/3,783,283.20 - Step 6: Final answer
x = 2,848,848.60
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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.