Finding the Fourth Proportional to 2,996,463.25, 4,135,524.28 and 1,689,983.63
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Solution
The fourth proportional to 2,996,463.25, 4,135,524.28 and 1,689,983.63 is: 2,332,405.82
Step by Step Solution
- Step 1: Write the proportion equation
2,996,463.25 : 4,135,524.28 = 1,689,983.63 : x - Step 2: Convert to fraction form
2,996,463.25/4,135,524.28 = 1,689,983.63/x - Step 3: Cross multiply
2,996,463.25x = 4,135,524.28 × 1,689,983.63 - Step 4: Simplify right side
2,996,463.25x = 6,988,968,313,989.92 - Step 5: Solve for x
x = 6,988,968,313,989.92/2,996,463.25 - Step 6: Final answer
x = 2,332,405.82
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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.