Finding the Fourth Proportional to 2,676,624.75, 3,693,642.12 and 1,452,904.09
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Solution
The fourth proportional to 2,676,624.75, 3,693,642.12 and 1,452,904.09 is: 2,004,953.34
Step by Step Solution
- Step 1: Write the proportion equation
2,676,624.75 : 3,693,642.12 = 1,452,904.09 : x - Step 2: Convert to fraction form
2,676,624.75/3,693,642.12 = 1,452,904.09/x - Step 3: Cross multiply
2,676,624.75x = 3,693,642.12 × 1,452,904.09 - Step 4: Simplify right side
2,676,624.75x = 5,366,507,733,910.17 - Step 5: Solve for x
x = 5,366,507,733,910.17/2,676,624.75 - Step 6: Final answer
x = 2,004,953.34
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Double scale
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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.