Finding the Fourth Proportional to 4,930,230.79, 7,396,140.80 and 1,518,516.26
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Solution
The fourth proportional to 4,930,230.79, 7,396,140.80 and 1,518,516.26 is: 2,278,019.13
Step by Step Solution
- Step 1: Write the proportion equation
4,930,230.79 : 7,396,140.80 = 1,518,516.26 : x - Step 2: Convert to fraction form
4,930,230.79/7,396,140.80 = 1,518,516.26/x - Step 3: Cross multiply
4,930,230.79x = 7,396,140.80 × 1,518,516.26 - Step 4: Simplify right side
4,930,230.79x = 11,231,160,081,402.17 - Step 5: Solve for x
x = 11,231,160,081,402.17/4,930,230.79 - Step 6: Final answer
x = 2,278,019.13
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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.