Finding the Fourth Proportional to 1,542,441.44, 2,128,567.83 and 854,113.26
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Solution
The fourth proportional to 1,542,441.44, 2,128,567.83 and 854,113.26 is: 1,178,675.55
Step by Step Solution
- Step 1: Write the proportion equation
1,542,441.44 : 2,128,567.83 = 854,113.26 : x - Step 2: Convert to fraction form
1,542,441.44/2,128,567.83 = 854,113.26/x - Step 3: Cross multiply
1,542,441.44x = 2,128,567.83 × 854,113.26 - Step 4: Simplify right side
1,542,441.44x = 1,818,038,008,412.43 - Step 5: Solve for x
x = 1,818,038,008,412.43/1,542,441.44 - Step 6: Final answer
x = 1,178,675.55
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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.