Finding the Fourth Proportional to 1,579,427.20, 2,366,419.20 and 736,249.60
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Solution
The fourth proportional to 1,579,427.20, 2,366,419.20 and 736,249.60 is: 1,103,105.73
Step by Step Solution
- Step 1: Write the proportion equation
1,579,427.20 : 2,366,419.20 = 736,249.60 : x - Step 2: Convert to fraction form
1,579,427.20/2,366,419.20 = 736,249.60/x - Step 3: Cross multiply
1,579,427.20x = 2,366,419.20 × 736,249.60 - Step 4: Simplify right side
1,579,427.20x = 1,742,275,189,432.32 - Step 5: Solve for x
x = 1,742,275,189,432.32/1,579,427.20 - Step 6: Final answer
x = 1,103,105.73
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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.