Finding the Fourth Proportional to 4,708,646.90, 6,498,642.70 and 2,874,168.62
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Solution
The fourth proportional to 4,708,646.90, 6,498,642.70 and 2,874,168.62 is: 3,966,786.07
Step by Step Solution
- Step 1: Write the proportion equation
4,708,646.90 : 6,498,642.70 = 2,874,168.62 : x - Step 2: Convert to fraction form
4,708,646.90/6,498,642.70 = 2,874,168.62/x - Step 3: Cross multiply
4,708,646.90x = 6,498,642.70 × 2,874,168.62 - Step 4: Simplify right side
4,708,646.90x = 18,678,194,920,932.07 - Step 5: Solve for x
x = 18,678,194,920,932.07/4,708,646.90 - Step 6: Final answer
x = 3,966,786.07
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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.