Finding the Fourth Proportional to 4,068,963.64, 5,615,175.18 and 2,233,432.36
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Solution
The fourth proportional to 4,068,963.64, 5,615,175.18 and 2,233,432.36 is: 3,082,139.60
Step by Step Solution
- Step 1: Write the proportion equation
4,068,963.64 : 5,615,175.18 = 2,233,432.36 : x - Step 2: Convert to fraction form
4,068,963.64/5,615,175.18 = 2,233,432.36/x - Step 3: Cross multiply
4,068,963.64x = 5,615,175.18 × 2,233,432.36 - Step 4: Simplify right side
4,068,963.64x = 12,541,113,954,080.82 - Step 5: Solve for x
x = 12,541,113,954,080.82/4,068,963.64 - Step 6: Final answer
x = 3,082,139.60
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1.5x scale
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.