Finding the Fourth Proportional to 1,628,672.13, 2,247,570.18 and 903,519.87
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Solution
The fourth proportional to 1,628,672.13, 2,247,570.18 and 903,519.87 is: 1,246,858.89
Step by Step Solution
- Step 1: Write the proportion equation
1,628,672.13 : 2,247,570.18 = 903,519.87 : x - Step 2: Convert to fraction form
1,628,672.13/2,247,570.18 = 903,519.87/x - Step 3: Cross multiply
1,628,672.13x = 2,247,570.18 × 903,519.87 - Step 4: Simplify right side
1,628,672.13x = 2,030,724,316,849.48 - Step 5: Solve for x
x = 2,030,724,316,849.48/1,628,672.13 - Step 6: Final answer
x = 1,246,858.89
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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.