Finding the Fourth Proportional to 1,544,731.05, 2,131,855.13 and 856,618.74
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Solution
The fourth proportional to 1,544,731.05, 2,131,855.13 and 856,618.74 is: 1,182,203.89
Step by Step Solution
- Step 1: Write the proportion equation
1,544,731.05 : 2,131,855.13 = 856,618.74 : x - Step 2: Convert to fraction form
1,544,731.05/2,131,855.13 = 856,618.74/x - Step 3: Cross multiply
1,544,731.05x = 2,131,855.13 × 856,618.74 - Step 4: Simplify right side
1,544,731.05x = 1,826,187,046,805.41 - Step 5: Solve for x
x = 1,826,187,046,805.41/1,544,731.05 - Step 6: Final answer
x = 1,182,203.89
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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.