Finding the Fourth Proportional to 1,450,915.68, 2,001,641.90 and 906,105.62
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Solution
The fourth proportional to 1,450,915.68, 2,001,641.90 and 906,105.62 is: 1,250,037.48
Step by Step Solution
- Step 1: Write the proportion equation
1,450,915.68 : 2,001,641.90 = 906,105.62 : x - Step 2: Convert to fraction form
1,450,915.68/2,001,641.90 = 906,105.62/x - Step 3: Cross multiply
1,450,915.68x = 2,001,641.90 × 906,105.62 - Step 4: Simplify right side
1,450,915.68x = 1,813,698,974,817.48 - Step 5: Solve for x
x = 1,813,698,974,817.48/1,450,915.68 - Step 6: Final answer
x = 1,250,037.48
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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.