Finding the Fourth Proportional to 2,043,493.68, 2,819,987.82 and 1,125,810.12
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Solution
The fourth proportional to 2,043,493.68, 2,819,987.82 and 1,125,810.12 is: 1,553,599.53
Step by Step Solution
- Step 1: Write the proportion equation
2,043,493.68 : 2,819,987.82 = 1,125,810.12 : x - Step 2: Convert to fraction form
2,043,493.68/2,819,987.82 = 1,125,810.12/x - Step 3: Cross multiply
2,043,493.68x = 2,819,987.82 × 1,125,810.12 - Step 4: Simplify right side
2,043,493.68x = 3,174,770,826,032.74 - Step 5: Solve for x
x = 3,174,770,826,032.74/2,043,493.68 - Step 6: Final answer
x = 1,553,599.53
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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.