Finding the Fourth Proportional to 6,729,765.96, 9,287,029.26 and 3,673,980.12
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Solution
The fourth proportional to 6,729,765.96, 9,287,029.26 and 3,673,980.12 is: 5,070,066.49
Step by Step Solution
- Step 1: Write the proportion equation
6,729,765.96 : 9,287,029.26 = 3,673,980.12 : x - Step 2: Convert to fraction form
6,729,765.96/9,287,029.26 = 3,673,980.12/x - Step 3: Cross multiply
6,729,765.96x = 9,287,029.26 × 3,673,980.12 - Step 4: Simplify right side
6,729,765.96x = 34,120,360,875,098.31 - Step 5: Solve for x
x = 34,120,360,875,098.31/6,729,765.96 - Step 6: Final answer
x = 5,070,066.49
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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.