Finding the Fourth Proportional to 3,343,997.68, 4,614,743.92 and 1,816,115.74
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Solution
The fourth proportional to 3,343,997.68, 4,614,743.92 and 1,816,115.74 is: 2,506,254.45
Step by Step Solution
- Step 1: Write the proportion equation
3,343,997.68 : 4,614,743.92 = 1,816,115.74 : x - Step 2: Convert to fraction form
3,343,997.68/4,614,743.92 = 1,816,115.74/x - Step 3: Cross multiply
3,343,997.68x = 4,614,743.92 × 1,816,115.74 - Step 4: Simplify right side
3,343,997.68x = 8,380,909,069,181.30 - Step 5: Solve for x
x = 8,380,909,069,181.30/3,343,997.68 - Step 6: Final answer
x = 2,506,254.45
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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.