Finding the Fourth Proportional to 1,690,495.32, 2,534,940.27 and 980,740.92
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Solution
The fourth proportional to 1,690,495.32, 2,534,940.27 and 980,740.92 is: 1,470,645.69
Step by Step Solution
- Step 1: Write the proportion equation
1,690,495.32 : 2,534,940.27 = 980,740.92 : x - Step 2: Convert to fraction form
1,690,495.32/2,534,940.27 = 980,740.92/x - Step 3: Cross multiply
1,690,495.32x = 2,534,940.27 × 980,740.92 - Step 4: Simplify right side
1,690,495.32x = 2,486,119,652,544.85 - Step 5: Solve for x
x = 2,486,119,652,544.85/1,690,495.32 - Step 6: Final answer
x = 1,470,645.69
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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.