Finding the Fourth Proportional to 3,784,012.72, 5,221,249.99 and 2,235,526.51
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Solution
The fourth proportional to 3,784,012.72, 5,221,249.99 and 2,235,526.51 is: 3,084,620.38
Step by Step Solution
- Step 1: Write the proportion equation
3,784,012.72 : 5,221,249.99 = 2,235,526.51 : x - Step 2: Convert to fraction form
3,784,012.72/5,221,249.99 = 2,235,526.51/x - Step 3: Cross multiply
3,784,012.72x = 5,221,249.99 × 2,235,526.51 - Step 4: Simplify right side
3,784,012.72x = 11,672,242,767,982.23 - Step 5: Solve for x
x = 11,672,242,767,982.23/3,784,012.72 - Step 6: Final answer
x = 3,084,620.38
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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.