Finding the Fourth Proportional to 1,995,417.36, 2,753,671.68 and 1,089,999.36
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Solution
The fourth proportional to 1,995,417.36, 2,753,671.68 and 1,089,999.36 is: 1,504,196.78
Step by Step Solution
- Step 1: Write the proportion equation
1,995,417.36 : 2,753,671.68 = 1,089,999.36 : x - Step 2: Convert to fraction form
1,995,417.36/2,753,671.68 = 1,089,999.36/x - Step 3: Cross multiply
1,995,417.36x = 2,753,671.68 × 1,089,999.36 - Step 4: Simplify right side
1,995,417.36x = 3,001,500,368,850.13 - Step 5: Solve for x
x = 3,001,500,368,850.13/1,995,417.36 - Step 6: Final answer
x = 1,504,196.78
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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.