Finding the Fourth Proportional to 4,420,496.81, 6,630,745.46 and 1,225,623.03
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Solution
The fourth proportional to 4,420,496.81, 6,630,745.46 and 1,225,623.03 is: 1,838,434.61
Step by Step Solution
- Step 1: Write the proportion equation
4,420,496.81 : 6,630,745.46 = 1,225,623.03 : x - Step 2: Convert to fraction form
4,420,496.81/6,630,745.46 = 1,225,623.03/x - Step 3: Cross multiply
4,420,496.81x = 6,630,745.46 × 1,225,623.03 - Step 4: Simplify right side
4,420,496.81x = 8,126,794,341,843.94 - Step 5: Solve for x
x = 8,126,794,341,843.94/4,420,496.81 - Step 6: Final answer
x = 1,838,434.61
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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.