Finding the Fourth Proportional to 1,624,512.11, 2,241,741.47 and 889,325.45
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Solution
The fourth proportional to 1,624,512.11, 2,241,741.47 and 889,325.45 is: 1,227,222.45
Step by Step Solution
- Step 1: Write the proportion equation
1,624,512.11 : 2,241,741.47 = 889,325.45 : x - Step 2: Convert to fraction form
1,624,512.11/2,241,741.47 = 889,325.45/x - Step 3: Cross multiply
1,624,512.11x = 2,241,741.47 × 889,325.45 - Step 4: Simplify right side
1,624,512.11x = 1,993,637,732,606.02 - Step 5: Solve for x
x = 1,993,637,732,606.02/1,624,512.11 - Step 6: Final answer
x = 1,227,222.45
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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.