Finding the Fourth Proportional to 1,615,394.40, 2,422,216.80 and 667,694.40
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Solution
The fourth proportional to 1,615,394.40, 2,422,216.80 and 667,694.40 is: 1,001,180.02
Step by Step Solution
- Step 1: Write the proportion equation
1,615,394.40 : 2,422,216.80 = 667,694.40 : x - Step 2: Convert to fraction form
1,615,394.40/2,422,216.80 = 667,694.40/x - Step 3: Cross multiply
1,615,394.40x = 2,422,216.80 × 667,694.40 - Step 4: Simplify right side
1,615,394.40x = 1,617,300,592,945.92 - Step 5: Solve for x
x = 1,617,300,592,945.92/1,615,394.40 - Step 6: Final answer
x = 1,001,180.02
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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.