Finding the Fourth Proportional to 1,507,452.48, 2,080,207.44 and 828,257.76
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Solution
The fourth proportional to 1,507,452.48, 2,080,207.44 and 828,257.76 is: 1,142,953.41
Step by Step Solution
- Step 1: Write the proportion equation
1,507,452.48 : 2,080,207.44 = 828,257.76 : x - Step 2: Convert to fraction form
1,507,452.48/2,080,207.44 = 828,257.76/x - Step 3: Cross multiply
1,507,452.48x = 2,080,207.44 × 828,257.76 - Step 4: Simplify right side
1,507,452.48x = 1,722,947,954,589.73 - Step 5: Solve for x
x = 1,722,947,954,589.73/1,507,452.48 - Step 6: Final answer
x = 1,142,953.41
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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.