Finding the Fourth Proportional to 1,975,205.44, 2,726,005.35 and 1,115,821.36
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Solution
The fourth proportional to 1,975,205.44, 2,726,005.35 and 1,115,821.36 is: 1,539,958.80
Step by Step Solution
- Step 1: Write the proportion equation
1,975,205.44 : 2,726,005.35 = 1,115,821.36 : x - Step 2: Convert to fraction form
1,975,205.44/2,726,005.35 = 1,115,821.36/x - Step 3: Cross multiply
1,975,205.44x = 2,726,005.35 × 1,115,821.36 - Step 4: Simplify right side
1,975,205.44x = 3,041,734,997,004.28 - Step 5: Solve for x
x = 3,041,734,997,004.28/1,975,205.44 - Step 6: Final answer
x = 1,539,958.80
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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.