Finding the Fourth Proportional to 1,472,645.80, 2,208,968.70 and 1,463,314.60
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Solution
The fourth proportional to 1,472,645.80, 2,208,968.70 and 1,463,314.60 is: 2,194,971.90
Step by Step Solution
- Step 1: Write the proportion equation
1,472,645.80 : 2,208,968.70 = 1,463,314.60 : x - Step 2: Convert to fraction form
1,472,645.80/2,208,968.70 = 1,463,314.60/x - Step 3: Cross multiply
1,472,645.80x = 2,208,968.70 × 1,463,314.60 - Step 4: Simplify right side
1,472,645.80x = 3,232,416,149,653.02 - Step 5: Solve for x
x = 3,232,416,149,653.02/1,472,645.80 - Step 6: Final answer
x = 2,194,971.90
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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.