Finding the Fourth Proportional to 1,483,692.15, 2,225,226.80 and 418,485.09
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Solution
The fourth proportional to 1,483,692.15, 2,225,226.80 and 418,485.09 is: 627,639.79
Step by Step Solution
- Step 1: Write the proportion equation
1,483,692.15 : 2,225,226.80 = 418,485.09 : x - Step 2: Convert to fraction form
1,483,692.15/2,225,226.80 = 418,485.09/x - Step 3: Cross multiply
1,483,692.15x = 2,225,226.80 × 418,485.09 - Step 4: Simplify right side
1,483,692.15x = 931,224,235,575.99 - Step 5: Solve for x
x = 931,224,235,575.99/1,483,692.15 - Step 6: Final answer
x = 627,639.79
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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.