Finding the Fourth Proportional to 1,997,251.20, 2,996,041.68 and 649,383.12
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Solution
The fourth proportional to 1,997,251.20, 2,996,041.68 and 649,383.12 is: 974,128.29
Step by Step Solution
- Step 1: Write the proportion equation
1,997,251.20 : 2,996,041.68 = 649,383.12 : x - Step 2: Convert to fraction form
1,997,251.20/2,996,041.68 = 649,383.12/x - Step 3: Cross multiply
1,997,251.20x = 2,996,041.68 × 649,383.12 - Step 4: Simplify right side
1,997,251.20x = 1,945,578,893,808.44 - Step 5: Solve for x
x = 1,945,578,893,808.44/1,997,251.20 - Step 6: Final answer
x = 974,128.29
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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.