Finding the Fourth Proportional to 5,616,912.08, 7,751,315.40 and 3,038,586.80
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Solution
The fourth proportional to 5,616,912.08, 7,751,315.40 and 3,038,586.80 is: 4,193,237.20
Step by Step Solution
- Step 1: Write the proportion equation
5,616,912.08 : 7,751,315.40 = 3,038,586.80 : x - Step 2: Convert to fraction form
5,616,912.08/7,751,315.40 = 3,038,586.80/x - Step 3: Cross multiply
5,616,912.08x = 7,751,315.40 × 3,038,586.80 - Step 4: Simplify right side
5,616,912.08x = 23,553,044,657,076.72 - Step 5: Solve for x
x = 23,553,044,657,076.72/5,616,912.08 - Step 6: Final answer
x = 4,193,237.20
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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.