Finding the Fourth Proportional to 1,630,349.05, 2,246,180.74 and 1,261,558.20
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Solution
The fourth proportional to 1,630,349.05, 2,246,180.74 and 1,261,558.20 is: 1,738,086.54
Step by Step Solution
- Step 1: Write the proportion equation
1,630,349.05 : 2,246,180.74 = 1,261,558.20 : x - Step 2: Convert to fraction form
1,630,349.05/2,246,180.74 = 1,261,558.20/x - Step 3: Cross multiply
1,630,349.05x = 2,246,180.74 × 1,261,558.20 - Step 4: Simplify right side
1,630,349.05x = 2,833,687,731,229.07 - Step 5: Solve for x
x = 2,833,687,731,229.07/1,630,349.05 - Step 6: Final answer
x = 1,738,086.54
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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.