Finding the Fourth Proportional to 3,814,335.12, 5,268,444.88 and 2,851,744.08
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Solution
The fourth proportional to 3,814,335.12, 5,268,444.88 and 2,851,744.08 is: 3,938,892.63
Step by Step Solution
- Step 1: Write the proportion equation
3,814,335.12 : 5,268,444.88 = 2,851,744.08 : x - Step 2: Convert to fraction form
3,814,335.12/5,268,444.88 = 2,851,744.08/x - Step 3: Cross multiply
3,814,335.12x = 5,268,444.88 × 2,851,744.08 - Step 4: Simplify right side
3,814,335.12x = 15,024,256,497,346.31 - Step 5: Solve for x
x = 15,024,256,497,346.31/3,814,335.12 - Step 6: Final answer
x = 3,938,892.63
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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.