Finding the Fourth Proportional to 4,542,380.12, 6,270,583.74 and 2,800,360.82
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Solution
The fourth proportional to 4,542,380.12, 6,270,583.74 and 2,800,360.82 is: 3,865,792.06
Step by Step Solution
- Step 1: Write the proportion equation
4,542,380.12 : 6,270,583.74 = 2,800,360.82 : x - Step 2: Convert to fraction form
4,542,380.12/6,270,583.74 = 2,800,360.82/x - Step 3: Cross multiply
4,542,380.12x = 6,270,583.74 × 2,800,360.82 - Step 4: Simplify right side
4,542,380.12x = 17,559,897,024,025.07 - Step 5: Solve for x
x = 17,559,897,024,025.07/4,542,380.12 - Step 6: Final answer
x = 3,865,792.06
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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.