Finding the Fourth Proportional to 5,641,855.96, 8,463,374.44 and 1,855,634.08
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Solution
The fourth proportional to 5,641,855.96, 8,463,374.44 and 1,855,634.08 is: 2,783,645.34
Step by Step Solution
- Step 1: Write the proportion equation
5,641,855.96 : 8,463,374.44 = 1,855,634.08 : x - Step 2: Convert to fraction form
5,641,855.96/8,463,374.44 = 1,855,634.08/x - Step 3: Cross multiply
5,641,855.96x = 8,463,374.44 × 1,855,634.08 - Step 4: Simplify right side
5,641,855.96x = 15,704,926,042,664.91 - Step 5: Solve for x
x = 15,704,926,042,664.91/5,641,855.96 - Step 6: Final answer
x = 2,783,645.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.