Finding the Fourth Proportional to 4,455,152.80, 6,682,721.64 and 1,615,260.40
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Solution
The fourth proportional to 4,455,152.80, 6,682,721.64 and 1,615,260.40 is: 2,422,887.86
Step by Step Solution
- Step 1: Write the proportion equation
4,455,152.80 : 6,682,721.64 = 1,615,260.40 : x - Step 2: Convert to fraction form
4,455,152.80/6,682,721.64 = 1,615,260.40/x - Step 3: Cross multiply
4,455,152.80x = 6,682,721.64 × 1,615,260.40 - Step 4: Simplify right side
4,455,152.80x = 10,794,335,629,315.05 - Step 5: Solve for x
x = 10,794,335,629,315.05/4,455,152.80 - Step 6: Final answer
x = 2,422,887.86
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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.