Finding the Fourth Proportional to 6,970,836.65, 9,618,182.33 and 4,217,455.62
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Solution
The fourth proportional to 6,970,836.65, 9,618,182.33 and 4,217,455.62 is: 5,819,137.52
Step by Step Solution
- Step 1: Write the proportion equation
6,970,836.65 : 9,618,182.33 = 4,217,455.62 : x - Step 2: Convert to fraction form
6,970,836.65/9,618,182.33 = 4,217,455.62/x - Step 3: Cross multiply
6,970,836.65x = 9,618,182.33 × 4,217,455.62 - Step 4: Simplify right side
6,970,836.65x = 40,564,257,100,755.91 - Step 5: Solve for x
x = 40,564,257,100,755.91/6,970,836.65 - Step 6: Final answer
x = 5,819,137.52
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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.