Finding the Fourth Proportional to 1,609,612.80, 2,414,743.20 and 472,372.80
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Solution
The fourth proportional to 1,609,612.80, 2,414,743.20 and 472,372.80 is: 708,654.28
Step by Step Solution
- Step 1: Write the proportion equation
1,609,612.80 : 2,414,743.20 = 472,372.80 : x - Step 2: Convert to fraction form
1,609,612.80/2,414,743.20 = 472,372.80/x - Step 3: Cross multiply
1,609,612.80x = 2,414,743.20 × 472,372.80 - Step 4: Simplify right side
1,609,612.80x = 1,140,659,006,664.96 - Step 5: Solve for x
x = 1,140,659,006,664.96/1,609,612.80 - Step 6: Final answer
x = 708,654.28
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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.