Finding the Fourth Proportional to 4,814,166.78, 6,644,230.61 and 2,979,216.08
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Solution
The fourth proportional to 4,814,166.78, 6,644,230.61 and 2,979,216.08 is: 4,111,739.27
Step by Step Solution
- Step 1: Write the proportion equation
4,814,166.78 : 6,644,230.61 = 2,979,216.08 : x - Step 2: Convert to fraction form
4,814,166.78/6,644,230.61 = 2,979,216.08/x - Step 3: Cross multiply
4,814,166.78x = 6,644,230.61 × 2,979,216.08 - Step 4: Simplify right side
4,814,166.78x = 19,794,598,624,422.98 - Step 5: Solve for x
x = 19,794,598,624,422.98/4,814,166.78 - Step 6: Final answer
x = 4,111,739.27
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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.