Finding the Fourth Proportional to 2,171,363.36, 2,996,239.55 and 1,204,251.30
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Solution
The fourth proportional to 2,171,363.36, 2,996,239.55 and 1,204,251.30 is: 1,661,732.64
Step by Step Solution
- Step 1: Write the proportion equation
2,171,363.36 : 2,996,239.55 = 1,204,251.30 : x - Step 2: Convert to fraction form
2,171,363.36/2,996,239.55 = 1,204,251.30/x - Step 3: Cross multiply
2,171,363.36x = 2,996,239.55 × 1,204,251.30 - Step 4: Simplify right side
2,171,363.36x = 3,608,225,367,177.66 - Step 5: Solve for x
x = 3,608,225,367,177.66/2,171,363.36 - Step 6: Final answer
x = 1,661,732.64
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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.