Finding the Fourth Proportional to 3,028,248.58, 4,179,234.27 and 1,739,337.70
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Solution
The fourth proportional to 3,028,248.58, 4,179,234.27 and 1,739,337.70 is: 2,400,430.32
Step by Step Solution
- Step 1: Write the proportion equation
3,028,248.58 : 4,179,234.27 = 1,739,337.70 : x - Step 2: Convert to fraction form
3,028,248.58/4,179,234.27 = 1,739,337.70/x - Step 3: Cross multiply
3,028,248.58x = 4,179,234.27 × 1,739,337.70 - Step 4: Simplify right side
3,028,248.58x = 7,269,099,722,942.98 - Step 5: Solve for x
x = 7,269,099,722,942.98/3,028,248.58 - Step 6: Final answer
x = 2,400,430.32
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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.