Finding the Fourth Proportional to 3,028,634.67, 4,179,518.97 and 1,739,724.42
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Solution
The fourth proportional to 3,028,634.67, 4,179,518.97 and 1,739,724.42 is: 2,400,821.49
Step by Step Solution
- Step 1: Write the proportion equation
3,028,634.67 : 4,179,518.97 = 1,739,724.42 : x - Step 2: Convert to fraction form
3,028,634.67/4,179,518.97 = 1,739,724.42/x - Step 3: Cross multiply
3,028,634.67x = 4,179,518.97 × 1,739,724.42 - Step 4: Simplify right side
3,028,634.67x = 7,271,211,215,962.25 - Step 5: Solve for x
x = 7,271,211,215,962.25/3,028,634.67 - Step 6: Final answer
x = 2,400,821.49
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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.