Finding the Fourth Proportional to 1,775,837.92, 2,664,155.76 and 513,763.60
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Solution
The fourth proportional to 1,775,837.92, 2,664,155.76 and 513,763.60 is: 770,760.80
Step by Step Solution
- Step 1: Write the proportion equation
1,775,837.92 : 2,664,155.76 = 513,763.60 : x - Step 2: Convert to fraction form
1,775,837.92/2,664,155.76 = 513,763.60/x - Step 3: Cross multiply
1,775,837.92x = 2,664,155.76 × 513,763.60 - Step 4: Simplify right side
1,775,837.92x = 1,368,746,254,218.34 - Step 5: Solve for x
x = 1,368,746,254,218.34/1,775,837.92 - Step 6: Final answer
x = 770,760.80
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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.