Finding the Fourth Proportional to 5,408,421.49, 7,463,622.99 and 2,961,187.93
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Solution
The fourth proportional to 5,408,421.49, 7,463,622.99 and 2,961,187.93 is: 4,086,440.07
Step by Step Solution
- Step 1: Write the proportion equation
5,408,421.49 : 7,463,622.99 = 2,961,187.93 : x - Step 2: Convert to fraction form
5,408,421.49/7,463,622.99 = 2,961,187.93/x - Step 3: Cross multiply
5,408,421.49x = 7,463,622.99 × 2,961,187.93 - Step 4: Simplify right side
5,408,421.49x = 22,101,190,312,058.51 - Step 5: Solve for x
x = 22,101,190,312,058.51/5,408,421.49 - Step 6: Final answer
x = 4,086,440.07
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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.