Finding the Fourth Proportional to 1,905,394.08, 2,629,653.03 and 1,089,673.68
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Solution
The fourth proportional to 1,905,394.08, 2,629,653.03 and 1,089,673.68 is: 1,503,869.32
Step by Step Solution
- Step 1: Write the proportion equation
1,905,394.08 : 2,629,653.03 = 1,089,673.68 : x - Step 2: Convert to fraction form
1,905,394.08/2,629,653.03 = 1,089,673.68/x - Step 3: Cross multiply
1,905,394.08x = 2,629,653.03 × 1,089,673.68 - Step 4: Simplify right side
1,905,394.08x = 2,865,463,694,323.25 - Step 5: Solve for x
x = 2,865,463,694,323.25/1,905,394.08 - Step 6: Final answer
x = 1,503,869.32
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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.