Finding the Fourth Proportional to 2,753,523.42, 4,129,117.05 and 1,312,539.80
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Solution
The fourth proportional to 2,753,523.42, 4,129,117.05 and 1,312,539.80 is: 1,968,252.90
Step by Step Solution
- Step 1: Write the proportion equation
2,753,523.42 : 4,129,117.05 = 1,312,539.80 : x - Step 2: Convert to fraction form
2,753,523.42/4,129,117.05 = 1,312,539.80/x - Step 3: Cross multiply
2,753,523.42x = 4,129,117.05 × 1,312,539.80 - Step 4: Simplify right side
2,753,523.42x = 5,419,630,451,260.03 - Step 5: Solve for x
x = 5,419,630,451,260.03/2,753,523.42 - Step 6: Final answer
x = 1,968,252.90
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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.