Finding the Fourth Proportional to 6,260,331.38, 8,639,106.75 and 3,507,134.90
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Solution
The fourth proportional to 6,260,331.38, 8,639,106.75 and 3,507,134.90 is: 4,839,761.82
Step by Step Solution
- Step 1: Write the proportion equation
6,260,331.38 : 8,639,106.75 = 3,507,134.90 : x - Step 2: Convert to fraction form
6,260,331.38/8,639,106.75 = 3,507,134.90/x - Step 3: Cross multiply
6,260,331.38x = 8,639,106.75 × 3,507,134.90 - Step 4: Simplify right side
6,260,331.38x = 30,298,512,744,555.04 - Step 5: Solve for x
x = 30,298,512,744,555.04/6,260,331.38 - Step 6: Final answer
x = 4,839,761.82
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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.