Finding the Fourth Proportional to 1,756,864.87, 2,635,064.01 and 494,790.91
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Solution
The fourth proportional to 1,756,864.87, 2,635,064.01 and 494,790.91 is: 742,120.66
Step by Step Solution
- Step 1: Write the proportion equation
1,756,864.87 : 2,635,064.01 = 494,790.91 : x - Step 2: Convert to fraction form
1,756,864.87/2,635,064.01 = 494,790.91/x - Step 3: Cross multiply
1,756,864.87x = 2,635,064.01 × 494,790.91 - Step 4: Simplify right side
1,756,864.87x = 1,303,805,719,416.15 - Step 5: Solve for x
x = 1,303,805,719,416.15/1,756,864.87 - Step 6: Final answer
x = 742,120.66
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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.