Finding the Fourth Proportional to 4,798,416.51, 7,197,624.63 and 1,603,542.60
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Solution
The fourth proportional to 4,798,416.51, 7,197,624.63 and 1,603,542.60 is: 2,405,313.85
Step by Step Solution
- Step 1: Write the proportion equation
4,798,416.51 : 7,197,624.63 = 1,603,542.60 : x - Step 2: Convert to fraction form
4,798,416.51/7,197,624.63 = 1,603,542.60/x - Step 3: Cross multiply
4,798,416.51x = 7,197,624.63 × 1,603,542.60 - Step 4: Simplify right side
4,798,416.51x = 11,541,697,713,014.24 - Step 5: Solve for x
x = 11,541,697,713,014.24/4,798,416.51 - Step 6: Final answer
x = 2,405,313.85
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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.