Finding the Fourth Proportional to 1,472,286.90, 2,031,743.70 and 827,709.96
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Solution
The fourth proportional to 1,472,286.90, 2,031,743.70 and 827,709.96 is: 1,142,232.87
Step by Step Solution
- Step 1: Write the proportion equation
1,472,286.90 : 2,031,743.70 = 827,709.96 : x - Step 2: Convert to fraction form
1,472,286.90/2,031,743.70 = 827,709.96/x - Step 3: Cross multiply
1,472,286.90x = 2,031,743.70 × 827,709.96 - Step 4: Simplify right side
1,472,286.90x = 1,681,694,496,657.25 - Step 5: Solve for x
x = 1,681,694,496,657.25/1,472,286.90 - Step 6: Final answer
x = 1,142,232.87
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.