Finding the Fourth Proportional to 5,641,858.96, 8,463,378.94 and 1,855,637.08
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Solution
The fourth proportional to 5,641,858.96, 8,463,378.94 and 1,855,637.08 is: 2,783,649.84
Step by Step Solution
- Step 1: Write the proportion equation
5,641,858.96 : 8,463,378.94 = 1,855,637.08 : x - Step 2: Convert to fraction form
5,641,858.96/8,463,378.94 = 1,855,637.08/x - Step 3: Cross multiply
5,641,858.96x = 8,463,378.94 × 1,855,637.08 - Step 4: Simplify right side
5,641,858.96x = 15,704,959,783,155.10 - Step 5: Solve for x
x = 15,704,959,783,155.10/5,641,858.96 - Step 6: Final answer
x = 2,783,649.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.