Finding the Fourth Proportional to 3,639,266.70, 5,458,900.05 and 2,799,458.70
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Solution
The fourth proportional to 3,639,266.70, 5,458,900.05 and 2,799,458.70 is: 4,199,188.05
Step by Step Solution
- Step 1: Write the proportion equation
3,639,266.70 : 5,458,900.05 = 2,799,458.70 : x - Step 2: Convert to fraction form
3,639,266.70/5,458,900.05 = 2,799,458.70/x - Step 3: Cross multiply
3,639,266.70x = 5,458,900.05 × 2,799,458.70 - Step 4: Simplify right side
3,639,266.70x = 15,281,965,237,402.94 - Step 5: Solve for x
x = 15,281,965,237,402.94/3,639,266.70 - Step 6: Final answer
x = 4,199,188.05
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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.