Finding the Fourth Proportional to 1,559,161.41, 2,151,642.74 and 843,769.41
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Solution
The fourth proportional to 1,559,161.41, 2,151,642.74 and 843,769.41 is: 1,164,401.78
Step by Step Solution
- Step 1: Write the proportion equation
1,559,161.41 : 2,151,642.74 = 843,769.41 : x - Step 2: Convert to fraction form
1,559,161.41/2,151,642.74 = 843,769.41/x - Step 3: Cross multiply
1,559,161.41x = 2,151,642.74 × 843,769.41 - Step 4: Simplify right side
1,559,161.41x = 1,815,490,317,719.28 - Step 5: Solve for x
x = 1,815,490,317,719.28/1,559,161.41 - Step 6: Final answer
x = 1,164,401.78
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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.