Finding the Fourth Proportional to 4,992,603.20, 7,496,277.60 and 3,871,937.60
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Solution
The fourth proportional to 4,992,603.20, 7,496,277.60 and 3,871,937.60 is: 5,813,624.26
Step by Step Solution
- Step 1: Write the proportion equation
4,992,603.20 : 7,496,277.60 = 3,871,937.60 : x - Step 2: Convert to fraction form
4,992,603.20/7,496,277.60 = 3,871,937.60/x - Step 3: Cross multiply
4,992,603.20x = 7,496,277.60 × 3,871,937.60 - Step 4: Simplify right side
4,992,603.20x = 29,025,119,099,477.76 - Step 5: Solve for x
x = 29,025,119,099,477.76/4,992,603.20 - Step 6: Final answer
x = 5,813,624.26
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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.