Finding the Fourth Proportional to 2,272,768.87, 3,136,487.65 and 1,240,343.03
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Solution
The fourth proportional to 2,272,768.87, 3,136,487.65 and 1,240,343.03 is: 1,711,709.74
Step by Step Solution
- Step 1: Write the proportion equation
2,272,768.87 : 3,136,487.65 = 1,240,343.03 : x - Step 2: Convert to fraction form
2,272,768.87/3,136,487.65 = 1,240,343.03/x - Step 3: Cross multiply
2,272,768.87x = 3,136,487.65 × 1,240,343.03 - Step 4: Simplify right side
2,272,768.87x = 3,890,320,606,300.66 - Step 5: Solve for x
x = 3,890,320,606,300.66/2,272,768.87 - Step 6: Final answer
x = 1,711,709.74
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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.