Finding the Fourth Proportional to 1,471,996.80, 2,031,570.72 and 827,470.08
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Solution
The fourth proportional to 1,471,996.80, 2,031,570.72 and 827,470.08 is: 1,142,029.65
Step by Step Solution
- Step 1: Write the proportion equation
1,471,996.80 : 2,031,570.72 = 827,470.08 : x - Step 2: Convert to fraction form
1,471,996.80/2,031,570.72 = 827,470.08/x - Step 3: Cross multiply
1,471,996.80x = 2,031,570.72 × 827,470.08 - Step 4: Simplify right side
1,471,996.80x = 1,681,063,986,204.06 - Step 5: Solve for x
x = 1,681,063,986,204.06/1,471,996.80 - Step 6: Final answer
x = 1,142,029.65
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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.