Finding the Fourth Proportional to 5,391,000.36, 7,439,733.90 and 2,943,766.80
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Solution
The fourth proportional to 5,391,000.36, 7,439,733.90 and 2,943,766.80 is: 4,062,481.95
Step by Step Solution
- Step 1: Write the proportion equation
5,391,000.36 : 7,439,733.90 = 2,943,766.80 : x - Step 2: Convert to fraction form
5,391,000.36/7,439,733.90 = 2,943,766.80/x - Step 3: Cross multiply
5,391,000.36x = 7,439,733.90 × 2,943,766.80 - Step 4: Simplify right side
5,391,000.36x = 21,900,841,655,654.52 - Step 5: Solve for x
x = 21,900,841,655,654.52/5,391,000.36 - Step 6: Final answer
x = 4,062,481.95
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.