Finding the Fourth Proportional to 1,581,055.10, 2,181,855.58 and 855,902.28
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Solution
The fourth proportional to 1,581,055.10, 2,181,855.58 and 855,902.28 is: 1,181,144.90
Step by Step Solution
- Step 1: Write the proportion equation
1,581,055.10 : 2,181,855.58 = 855,902.28 : x - Step 2: Convert to fraction form
1,581,055.10/2,181,855.58 = 855,902.28/x - Step 3: Cross multiply
1,581,055.10x = 2,181,855.58 × 855,902.28 - Step 4: Simplify right side
1,581,055.10x = 1,867,455,165,552.72 - Step 5: Solve for x
x = 1,867,455,165,552.72/1,581,055.10 - Step 6: Final answer
x = 1,181,144.90
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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.