Finding the Fourth Proportional to 2,630,924.40, 3,945,220.20 and 1,211,415.60
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Solution
The fourth proportional to 2,630,924.40, 3,945,220.20 and 1,211,415.60 is: 1,816,586.33
Step by Step Solution
- Step 1: Write the proportion equation
2,630,924.40 : 3,945,220.20 = 1,211,415.60 : x - Step 2: Convert to fraction form
2,630,924.40/3,945,220.20 = 1,211,415.60/x - Step 3: Cross multiply
2,630,924.40x = 3,945,220.20 × 1,211,415.60 - Step 4: Simplify right side
2,630,924.40x = 4,779,301,295,715.12 - Step 5: Solve for x
x = 4,779,301,295,715.12/2,630,924.40 - Step 6: Final answer
x = 1,816,586.33
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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.