Finding the Fourth Proportional to 1,790,245.36, 2,470,590.30 and 974,501.92
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Solution
The fourth proportional to 1,790,245.36, 2,470,590.30 and 974,501.92 is: 1,344,840.79
Step by Step Solution
- Step 1: Write the proportion equation
1,790,245.36 : 2,470,590.30 = 974,501.92 : x - Step 2: Convert to fraction form
1,790,245.36/2,470,590.30 = 974,501.92/x - Step 3: Cross multiply
1,790,245.36x = 2,470,590.30 × 974,501.92 - Step 4: Simplify right side
1,790,245.36x = 2,407,594,990,883.38 - Step 5: Solve for x
x = 2,407,594,990,883.38/1,790,245.36 - Step 6: Final answer
x = 1,344,840.79
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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.