Finding the Fourth Proportional to 3,236,829.12, 4,468,335.84 and 1,878,439.68
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Solution
The fourth proportional to 3,236,829.12, 4,468,335.84 and 1,878,439.68 is: 2,593,124.02
Step by Step Solution
- Step 1: Write the proportion equation
3,236,829.12 : 4,468,335.84 = 1,878,439.68 : x - Step 2: Convert to fraction form
3,236,829.12/4,468,335.84 = 1,878,439.68/x - Step 3: Cross multiply
3,236,829.12x = 4,468,335.84 × 1,878,439.68 - Step 4: Simplify right side
3,236,829.12x = 8,393,499,345,422.13 - Step 5: Solve for x
x = 8,393,499,345,422.13/3,236,829.12 - Step 6: Final answer
x = 2,593,124.02
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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.