Finding the Fourth Proportional to 1,826,971.05, 2,740,259.70 and 479,268.75
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Solution
The fourth proportional to 1,826,971.05, 2,740,259.70 and 479,268.75 is: 718,851.48
Step by Step Solution
- Step 1: Write the proportion equation
1,826,971.05 : 2,740,259.70 = 479,268.75 : x - Step 2: Convert to fraction form
1,826,971.05/2,740,259.70 = 479,268.75/x - Step 3: Cross multiply
1,826,971.05x = 2,740,259.70 × 479,268.75 - Step 4: Simplify right side
1,826,971.05x = 1,313,320,841,094.38 - Step 5: Solve for x
x = 1,313,320,841,094.38/1,826,971.05 - Step 6: Final answer
x = 718,851.48
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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.