Finding the Fourth Proportional to 2,478,600.40, 3,418,540.22 and 1,792,844.68
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Solution
The fourth proportional to 2,478,600.40, 3,418,540.22 and 1,792,844.68 is: 2,472,730.84
Step by Step Solution
- Step 1: Write the proportion equation
2,478,600.40 : 3,418,540.22 = 1,792,844.68 : x - Step 2: Convert to fraction form
2,478,600.40/3,418,540.22 = 1,792,844.68/x - Step 3: Cross multiply
2,478,600.40x = 3,418,540.22 × 1,792,844.68 - Step 4: Simplify right side
2,478,600.40x = 6,128,911,646,793.03 - Step 5: Solve for x
x = 6,128,911,646,793.03/2,478,600.40 - Step 6: Final answer
x = 2,472,730.84
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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.