Finding the Fourth Proportional to 5,132,964.88, 7,082,750.10 and 2,841,120.10
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Solution
The fourth proportional to 5,132,964.88, 7,082,750.10 and 2,841,120.10 is: 3,920,335.35
Step by Step Solution
- Step 1: Write the proportion equation
5,132,964.88 : 7,082,750.10 = 2,841,120.10 : x - Step 2: Convert to fraction form
5,132,964.88/7,082,750.10 = 2,841,120.10/x - Step 3: Cross multiply
5,132,964.88x = 7,082,750.10 × 2,841,120.10 - Step 4: Simplify right side
5,132,964.88x = 20,122,943,672,387.01 - Step 5: Solve for x
x = 20,122,943,672,387.01/5,132,964.88 - Step 6: Final answer
x = 3,920,335.35
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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.