Finding the Fourth Proportional to 1,689,572.89, 2,534,360.07 and 410,181.99
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Solution
The fourth proportional to 1,689,572.89, 2,534,360.07 and 410,181.99 is: 615,273.16
Step by Step Solution
- Step 1: Write the proportion equation
1,689,572.89 : 2,534,360.07 = 410,181.99 : x - Step 2: Convert to fraction form
1,689,572.89/2,534,360.07 = 410,181.99/x - Step 3: Cross multiply
1,689,572.89x = 2,534,360.07 × 410,181.99 - Step 4: Simplify right side
1,689,572.89x = 1,039,548,851,333.76 - Step 5: Solve for x
x = 1,039,548,851,333.76/1,689,572.89 - Step 6: Final answer
x = 615,273.16
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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.