Finding the Fourth Proportional to 2,391,415.20, 3,587,122.80 and 895,312.80
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Solution
The fourth proportional to 2,391,415.20, 3,587,122.80 and 895,312.80 is: 1,342,969.20
Step by Step Solution
- Step 1: Write the proportion equation
2,391,415.20 : 3,587,122.80 = 895,312.80 : x - Step 2: Convert to fraction form
2,391,415.20/3,587,122.80 = 895,312.80/x - Step 3: Cross multiply
2,391,415.20x = 3,587,122.80 × 895,312.80 - Step 4: Simplify right side
2,391,415.20x = 3,211,596,958,011.84 - Step 5: Solve for x
x = 3,211,596,958,011.84/2,391,415.20 - Step 6: Final answer
x = 1,342,969.20
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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.