Finding the Fourth Proportional to 3,477,408.60, 5,216,112.90 and 2,880,211.80
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Solution
The fourth proportional to 3,477,408.60, 5,216,112.90 and 2,880,211.80 is: 4,320,317.70
Step by Step Solution
- Step 1: Write the proportion equation
3,477,408.60 : 5,216,112.90 = 2,880,211.80 : x - Step 2: Convert to fraction form
3,477,408.60/5,216,112.90 = 2,880,211.80/x - Step 3: Cross multiply
3,477,408.60x = 5,216,112.90 × 2,880,211.80 - Step 4: Simplify right side
3,477,408.60x = 15,023,509,924,712.22 - Step 5: Solve for x
x = 15,023,509,924,712.22/3,477,408.60 - Step 6: Final answer
x = 4,320,317.70
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1.5x scale
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.