Finding the Fourth Proportional to 1,855,975.08, 2,561,425.38 and 1,040,317.32
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Solution
The fourth proportional to 1,855,975.08, 2,561,425.38 and 1,040,317.32 is: 1,435,738.67
Step by Step Solution
- Step 1: Write the proportion equation
1,855,975.08 : 2,561,425.38 = 1,040,317.32 : x - Step 2: Convert to fraction form
1,855,975.08/2,561,425.38 = 1,040,317.32/x - Step 3: Cross multiply
1,855,975.08x = 2,561,425.38 × 1,040,317.32 - Step 4: Simplify right side
1,855,975.08x = 2,664,695,186,701.58 - Step 5: Solve for x
x = 2,664,695,186,701.58/1,855,975.08 - Step 6: Final answer
x = 1,435,738.67
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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.