Finding the Fourth Proportional to 1,588,215.12, 2,382,767.28 and 642,250.08
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Solution
The fourth proportional to 1,588,215.12, 2,382,767.28 and 642,250.08 is: 963,554.91
Step by Step Solution
- Step 1: Write the proportion equation
1,588,215.12 : 2,382,767.28 = 642,250.08 : x - Step 2: Convert to fraction form
1,588,215.12/2,382,767.28 = 642,250.08/x - Step 3: Cross multiply
1,588,215.12x = 2,382,767.28 × 642,250.08 - Step 4: Simplify right side
1,588,215.12x = 1,530,332,476,201.38 - Step 5: Solve for x
x = 1,530,332,476,201.38/1,588,215.12 - Step 6: Final answer
x = 963,554.91
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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.