Finding the Fourth Proportional to 5,408,430, 7,461,447.48 and 3,115,362.48
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Solution
The fourth proportional to 5,408,430, 7,461,447.48 and 3,115,362.48 is: 4,297,941.09
Step by Step Solution
- Step 1: Write the proportion equation
5,408,430 : 7,461,447.48 = 3,115,362.48 : x - Step 2: Convert to fraction form
5,408,430/7,461,447.48 = 3,115,362.48/x - Step 3: Cross multiply
5,408,430x = 7,461,447.48 × 3,115,362.48 - Step 4: Simplify right side
5,408,430x = 23,245,113,525,682.55 - Step 5: Solve for x
x = 23,245,113,525,682.55/5,408,430 - Step 6: Final answer
x = 4,297,941.09
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1.5x scale
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.