Finding the Fourth Proportional to 4,743,440.12, 7,103,689.34 and 2,715,533.42
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Solution
The fourth proportional to 4,743,440.12, 7,103,689.34 and 2,715,533.42 is: 4,066,733.28
Step by Step Solution
- Step 1: Write the proportion equation
4,743,440.12 : 7,103,689.34 = 2,715,533.42 : x - Step 2: Convert to fraction form
4,743,440.12/7,103,689.34 = 2,715,533.42/x - Step 3: Cross multiply
4,743,440.12x = 7,103,689.34 × 2,715,533.42 - Step 4: Simplify right side
4,743,440.12x = 19,290,305,808,067.74 - Step 5: Solve for x
x = 19,290,305,808,067.74/4,743,440.12 - Step 6: Final answer
x = 4,066,733.28
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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.