Finding the Fourth Proportional to 7,440,658.20, 11,160,995.40 and 2,952,934.20
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Solution
The fourth proportional to 7,440,658.20, 11,160,995.40 and 2,952,934.20 is: 4,429,404.51
Step by Step Solution
- Step 1: Write the proportion equation
7,440,658.20 : 11,160,995.40 = 2,952,934.20 : x - Step 2: Convert to fraction form
7,440,658.20/11,160,995.40 = 2,952,934.20/x - Step 3: Cross multiply
7,440,658.20x = 11,160,995.40 × 2,952,934.20 - Step 4: Simplify right side
7,440,658.20x = 32,957,685,022,702.68 - Step 5: Solve for x
x = 32,957,685,022,702.68/7,440,658.20 - Step 6: Final answer
x = 4,429,404.51
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.