Finding the Fourth Proportional to 1,567,419.14, 2,162,119.76 and 985,719.62
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Solution
The fourth proportional to 1,567,419.14, 2,162,119.76 and 985,719.62 is: 1,359,715.35
Step by Step Solution
- Step 1: Write the proportion equation
1,567,419.14 : 2,162,119.76 = 985,719.62 : x - Step 2: Convert to fraction form
1,567,419.14/2,162,119.76 = 985,719.62/x - Step 3: Cross multiply
1,567,419.14x = 2,162,119.76 × 985,719.62 - Step 4: Simplify right side
1,567,419.14x = 2,131,243,868,221.69 - Step 5: Solve for x
x = 2,131,243,868,221.69/1,567,419.14 - Step 6: Final answer
x = 1,359,715.35
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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.