Finding the Fourth Proportional to 4,572,886.73, 6,310,128.89 and 2,639,770.09
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Solution
The fourth proportional to 4,572,886.73, 6,310,128.89 and 2,639,770.09 is: 3,642,620.19
Step by Step Solution
- Step 1: Write the proportion equation
4,572,886.73 : 6,310,128.89 = 2,639,770.09 : x - Step 2: Convert to fraction form
4,572,886.73/6,310,128.89 = 2,639,770.09/x - Step 3: Cross multiply
4,572,886.73x = 6,310,128.89 × 2,639,770.09 - Step 4: Simplify right side
4,572,886.73x = 16,657,289,498,691.00 - Step 5: Solve for x
x = 16,657,289,498,691.00/4,572,886.73 - Step 6: Final answer
x = 3,642,620.19
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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.