Finding the Fourth Proportional to 1,449,639.36, 2,001,503.12 and 906,019.49
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Solution
The fourth proportional to 1,449,639.36, 2,001,503.12 and 906,019.49 is: 1,250,932.39
Step by Step Solution
- Step 1: Write the proportion equation
1,449,639.36 : 2,001,503.12 = 906,019.49 : x - Step 2: Convert to fraction form
1,449,639.36/2,001,503.12 = 906,019.49/x - Step 3: Cross multiply
1,449,639.36x = 2,001,503.12 × 906,019.49 - Step 4: Simplify right side
1,449,639.36x = 1,813,400,836,489.47 - Step 5: Solve for x
x = 1,813,400,836,489.47/1,449,639.36 - Step 6: Final answer
x = 1,250,932.39
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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.