Finding the Fourth Proportional to 2,063,305.76, 2,847,418 and 1,157,943.20
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Solution
The fourth proportional to 2,063,305.76, 2,847,418 and 1,157,943.20 is: 1,597,993.07
Step by Step Solution
- Step 1: Write the proportion equation
2,063,305.76 : 2,847,418 = 1,157,943.20 : x - Step 2: Convert to fraction form
2,063,305.76/2,847,418 = 1,157,943.20/x - Step 3: Cross multiply
2,063,305.76x = 2,847,418 × 1,157,943.20 - Step 4: Simplify right side
2,063,305.76x = 3,297,148,310,657.60 - Step 5: Solve for x
x = 3,297,148,310,657.60/2,063,305.76 - Step 6: Final answer
x = 1,597,993.07
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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.