Finding the Fourth Proportional to 1,448,368.40, 2,174,626.20 and 818,512.40
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Solution
The fourth proportional to 1,448,368.40, 2,174,626.20 and 818,512.40 is: 1,228,940.45
Step by Step Solution
- Step 1: Write the proportion equation
1,448,368.40 : 2,174,626.20 = 818,512.40 : x - Step 2: Convert to fraction form
1,448,368.40/2,174,626.20 = 818,512.40/x - Step 3: Cross multiply
1,448,368.40x = 2,174,626.20 × 818,512.40 - Step 4: Simplify right side
1,448,368.40x = 1,779,958,510,064.88 - Step 5: Solve for x
x = 1,779,958,510,064.88/1,448,368.40 - Step 6: Final answer
x = 1,228,940.45
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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.