Finding the Fourth Proportional to 4,740,252.32, 6,540,846.84 and 2,878,699.79
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Solution
The fourth proportional to 4,740,252.32, 6,540,846.84 and 2,878,699.79 is: 3,972,179.78
Step by Step Solution
- Step 1: Write the proportion equation
4,740,252.32 : 6,540,846.84 = 2,878,699.79 : x - Step 2: Convert to fraction form
4,740,252.32/6,540,846.84 = 2,878,699.79/x - Step 3: Cross multiply
4,740,252.32x = 6,540,846.84 × 2,878,699.79 - Step 4: Simplify right side
4,740,252.32x = 18,829,134,392,025.93 - Step 5: Solve for x
x = 18,829,134,392,025.93/4,740,252.32 - Step 6: Final answer
x = 3,972,179.78
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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.