Finding the Fourth Proportional to 4,751,730.72, 6,562,801.02 and 3,221,180.64
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Solution
The fourth proportional to 4,751,730.72, 6,562,801.02 and 3,221,180.64 is: 4,448,898.48
Step by Step Solution
- Step 1: Write the proportion equation
4,751,730.72 : 6,562,801.02 = 3,221,180.64 : x - Step 2: Convert to fraction form
4,751,730.72/6,562,801.02 = 3,221,180.64/x - Step 3: Cross multiply
4,751,730.72x = 6,562,801.02 × 3,221,180.64 - Step 4: Simplify right side
4,751,730.72x = 21,139,967,589,796.25 - Step 5: Solve for x
x = 21,139,967,589,796.25/4,751,730.72 - Step 6: Final answer
x = 4,448,898.48
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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.