Finding the Fourth Proportional to 1,607,543.70, 2,410,439.55 and 485,466.90
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Solution
The fourth proportional to 1,607,543.70, 2,410,439.55 and 485,466.90 is: 727,935.80
Step by Step Solution
- Step 1: Write the proportion equation
1,607,543.70 : 2,410,439.55 = 485,466.90 : x - Step 2: Convert to fraction form
1,607,543.70/2,410,439.55 = 485,466.90/x - Step 3: Cross multiply
1,607,543.70x = 2,410,439.55 × 485,466.90 - Step 4: Simplify right side
1,607,543.70x = 1,170,188,615,975.90 - Step 5: Solve for x
x = 1,170,188,615,975.90/1,607,543.70 - Step 6: Final answer
x = 727,935.80
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.