Finding the Fourth Proportional to 1,691,334.42, 2,532,024.99 and 1,128,974.10
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Solution
The fourth proportional to 1,691,334.42, 2,532,024.99 and 1,128,974.10 is: 1,690,139.22
Step by Step Solution
- Step 1: Write the proportion equation
1,691,334.42 : 2,532,024.99 = 1,128,974.10 : x - Step 2: Convert to fraction form
1,691,334.42/2,532,024.99 = 1,128,974.10/x - Step 3: Cross multiply
1,691,334.42x = 2,532,024.99 × 1,128,974.10 - Step 4: Simplify right side
1,691,334.42x = 2,858,590,634,262.76 - Step 5: Solve for x
x = 2,858,590,634,262.76/1,691,334.42 - Step 6: Final answer
x = 1,690,139.22
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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.