Finding the Fourth Proportional to 1,412,839.08, 2,119,331.93 and 466,283.61
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Solution
The fourth proportional to 1,412,839.08, 2,119,331.93 and 466,283.61 is: 699,449.61
Step by Step Solution
- Step 1: Write the proportion equation
1,412,839.08 : 2,119,331.93 = 466,283.61 : x - Step 2: Convert to fraction form
1,412,839.08/2,119,331.93 = 466,283.61/x - Step 3: Cross multiply
1,412,839.08x = 2,119,331.93 × 466,283.61 - Step 4: Simplify right side
1,412,839.08x = 988,209,740,777.25 - Step 5: Solve for x
x = 988,209,740,777.25/1,412,839.08 - Step 6: Final answer
x = 699,449.61
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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.