Finding the Fourth Proportional to 4,331,627.12, 5,977,692.70 and 2,397,919.98
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Solution
The fourth proportional to 4,331,627.12, 5,977,692.70 and 2,397,919.98 is: 3,309,155.74
Step by Step Solution
- Step 1: Write the proportion equation
4,331,627.12 : 5,977,692.70 = 2,397,919.98 : x - Step 2: Convert to fraction form
4,331,627.12/5,977,692.70 = 2,397,919.98/x - Step 3: Cross multiply
4,331,627.12x = 5,977,692.70 × 2,397,919.98 - Step 4: Simplify right side
4,331,627.12x = 14,334,028,759,630.15 - Step 5: Solve for x
x = 14,334,028,759,630.15/4,331,627.12 - Step 6: Final answer
x = 3,309,155.74
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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.