Finding the Fourth Proportional to 2,542,518.75, 3,508,987.73 and 1,469,430.75
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Solution
The fourth proportional to 2,542,518.75, 3,508,987.73 and 1,469,430.75 is: 2,027,994.67
Step by Step Solution
- Step 1: Write the proportion equation
2,542,518.75 : 3,508,987.73 = 1,469,430.75 : x - Step 2: Convert to fraction form
2,542,518.75/3,508,987.73 = 1,469,430.75/x - Step 3: Cross multiply
2,542,518.75x = 3,508,987.73 × 1,469,430.75 - Step 4: Simplify right side
2,542,518.75x = 5,156,214,464,487.54 - Step 5: Solve for x
x = 5,156,214,464,487.54/2,542,518.75 - Step 6: Final answer
x = 2,027,994.67
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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.