Finding the Fourth Proportional to 4,220,353.74, 6,330,538.53 and 1,025,482.62
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Solution
The fourth proportional to 4,220,353.74, 6,330,538.53 and 1,025,482.62 is: 1,538,225.85
Step by Step Solution
- Step 1: Write the proportion equation
4,220,353.74 : 6,330,538.53 = 1,025,482.62 : x - Step 2: Convert to fraction form
4,220,353.74/6,330,538.53 = 1,025,482.62/x - Step 3: Cross multiply
4,220,353.74x = 6,330,538.53 × 1,025,482.62 - Step 4: Simplify right side
4,220,353.74x = 6,491,857,237,755.35 - Step 5: Solve for x
x = 6,491,857,237,755.35/4,220,353.74 - Step 6: Final answer
x = 1,538,225.85
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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.