Finding the Fourth Proportional to 2,420,155.80, 3,630,233.70 and 999,739.80
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Solution
The fourth proportional to 2,420,155.80, 3,630,233.70 and 999,739.80 is: 1,499,609.70
Step by Step Solution
- Step 1: Write the proportion equation
2,420,155.80 : 3,630,233.70 = 999,739.80 : x - Step 2: Convert to fraction form
2,420,155.80/3,630,233.70 = 999,739.80/x - Step 3: Cross multiply
2,420,155.80x = 3,630,233.70 × 999,739.80 - Step 4: Simplify right side
2,420,155.80x = 3,629,289,113,191.26 - Step 5: Solve for x
x = 3,629,289,113,191.26/2,420,155.80 - Step 6: Final answer
x = 1,499,609.70
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Similar ratio
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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.