Finding the Fourth Proportional to 5,246,029.44, 7,239,378.72 and 2,954,140.80
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Solution
The fourth proportional to 5,246,029.44, 7,239,378.72 and 2,954,140.80 is: 4,076,634.39
Step by Step Solution
- Step 1: Write the proportion equation
5,246,029.44 : 7,239,378.72 = 2,954,140.80 : x - Step 2: Convert to fraction form
5,246,029.44/7,239,378.72 = 2,954,140.80/x - Step 3: Cross multiply
5,246,029.44x = 7,239,378.72 × 2,954,140.80 - Step 4: Simplify right side
5,246,029.44x = 21,386,144,043,403.77 - Step 5: Solve for x
x = 21,386,144,043,403.77/5,246,029.44 - Step 6: Final answer
x = 4,076,634.39
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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.