Finding the Fourth Proportional to 1,493,194.05, 2,060,609.85 and 814,130.55
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Solution
The fourth proportional to 1,493,194.05, 2,060,609.85 and 814,130.55 is: 1,123,501.28
Step by Step Solution
- Step 1: Write the proportion equation
1,493,194.05 : 2,060,609.85 = 814,130.55 : x - Step 2: Convert to fraction form
1,493,194.05/2,060,609.85 = 814,130.55/x - Step 3: Cross multiply
1,493,194.05x = 2,060,609.85 × 814,130.55 - Step 4: Simplify right side
1,493,194.05x = 1,677,605,430,515.92 - Step 5: Solve for x
x = 1,677,605,430,515.92/1,493,194.05 - Step 6: Final answer
x = 1,123,501.28
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1.5x scale
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.