Finding the Fourth Proportional to 4,099,535.20, 6,149,302.80 and 1,403,620.30
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Solution
The fourth proportional to 4,099,535.20, 6,149,302.80 and 1,403,620.30 is: 2,105,430.45
Step by Step Solution
- Step 1: Write the proportion equation
4,099,535.20 : 6,149,302.80 = 1,403,620.30 : x - Step 2: Convert to fraction form
4,099,535.20/6,149,302.80 = 1,403,620.30/x - Step 3: Cross multiply
4,099,535.20x = 6,149,302.80 × 1,403,620.30 - Step 4: Simplify right side
4,099,535.20x = 8,631,286,240,926.84 - Step 5: Solve for x
x = 8,631,286,240,926.84/4,099,535.20 - Step 6: Final answer
x = 2,105,430.45
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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.