Finding the Fourth Proportional to 1,788,639.12, 2,467,507.74 and 1,063,074.48
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Solution
The fourth proportional to 1,788,639.12, 2,467,507.74 and 1,063,074.48 is: 1,466,558.84
Step by Step Solution
- Step 1: Write the proportion equation
1,788,639.12 : 2,467,507.74 = 1,063,074.48 : x - Step 2: Convert to fraction form
1,788,639.12/2,467,507.74 = 1,063,074.48/x - Step 3: Cross multiply
1,788,639.12x = 2,467,507.74 × 1,063,074.48 - Step 4: Simplify right side
1,788,639.12x = 2,623,144,507,596.48 - Step 5: Solve for x
x = 2,623,144,507,596.48/1,788,639.12 - Step 6: Final answer
x = 1,466,558.84
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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.