Finding the Fourth Proportional to 3,669,476.60, 5,504,214.90 and 974,217.80
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Solution
The fourth proportional to 3,669,476.60, 5,504,214.90 and 974,217.80 is: 1,461,326.70
Step by Step Solution
- Step 1: Write the proportion equation
3,669,476.60 : 5,504,214.90 = 974,217.80 : x - Step 2: Convert to fraction form
3,669,476.60/5,504,214.90 = 974,217.80/x - Step 3: Cross multiply
3,669,476.60x = 5,504,214.90 × 974,217.80 - Step 4: Simplify right side
3,669,476.60x = 5,362,304,130,605.22 - Step 5: Solve for x
x = 5,362,304,130,605.22/3,669,476.60 - Step 6: Final answer
x = 1,461,326.70
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1.5x scale
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.