Finding the Fourth Proportional to 1,963,051.99, 2,709,015.96 and 1,103,619.31
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Solution
The fourth proportional to 1,963,051.99, 2,709,015.96 and 1,103,619.31 is: 1,522,997.02
Step by Step Solution
- Step 1: Write the proportion equation
1,963,051.99 : 2,709,015.96 = 1,103,619.31 : x - Step 2: Convert to fraction form
1,963,051.99/2,709,015.96 = 1,103,619.31/x - Step 3: Cross multiply
1,963,051.99x = 2,709,015.96 × 1,103,619.31 - Step 4: Simplify right side
1,963,051.99x = 2,989,722,324,554.19 - Step 5: Solve for x
x = 2,989,722,324,554.19/1,963,051.99 - Step 6: Final answer
x = 1,522,997.02
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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.