Finding the Fourth Proportional to 7,886,683.17, 11,831,736.06 and 2,421,796.62
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Solution
The fourth proportional to 7,886,683.17, 11,831,736.06 and 2,421,796.62 is: 3,633,220.43
Step by Step Solution
- Step 1: Write the proportion equation
7,886,683.17 : 11,831,736.06 = 2,421,796.62 : x - Step 2: Convert to fraction form
7,886,683.17/11,831,736.06 = 2,421,796.62/x - Step 3: Cross multiply
7,886,683.17x = 11,831,736.06 × 2,421,796.62 - Step 4: Simplify right side
7,886,683.17x = 28,654,058,398,840.12 - Step 5: Solve for x
x = 28,654,058,398,840.12/7,886,683.17 - Step 6: Final answer
x = 3,633,220.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.