Finding the Fourth Proportional to 3,605,561.36, 4,975,676.16 and 1,974,074.48
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Solution
The fourth proportional to 3,605,561.36, 4,975,676.16 and 1,974,074.48 is: 2,724,223.59
Step by Step Solution
- Step 1: Write the proportion equation
3,605,561.36 : 4,975,676.16 = 1,974,074.48 : x - Step 2: Convert to fraction form
3,605,561.36/4,975,676.16 = 1,974,074.48/x - Step 3: Cross multiply
3,605,561.36x = 4,975,676.16 × 1,974,074.48 - Step 4: Simplify right side
3,605,561.36x = 9,822,355,328,200.40 - Step 5: Solve for x
x = 9,822,355,328,200.40/3,605,561.36 - Step 6: Final answer
x = 2,724,223.59
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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.