Finding the Fourth Proportional to 1,478,877.13, 2,040,851.78 and 799,813.63
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Solution
The fourth proportional to 1,478,877.13, 2,040,851.78 and 799,813.63 is: 1,103,743.53
Step by Step Solution
- Step 1: Write the proportion equation
1,478,877.13 : 2,040,851.78 = 799,813.63 : x - Step 2: Convert to fraction form
1,478,877.13/2,040,851.78 = 799,813.63/x - Step 3: Cross multiply
1,478,877.13x = 2,040,851.78 × 799,813.63 - Step 4: Simplify right side
1,478,877.13x = 1,632,301,070,453.76 - Step 5: Solve for x
x = 1,632,301,070,453.76/1,478,877.13 - Step 6: Final answer
x = 1,103,743.53
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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.