Finding the Fourth Proportional to 4,665,723.75, 6,998,585.63 and 1,119,867.75
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Solution
The fourth proportional to 4,665,723.75, 6,998,585.63 and 1,119,867.75 is: 1,679,801.63
Step by Step Solution
- Step 1: Write the proportion equation
4,665,723.75 : 6,998,585.63 = 1,119,867.75 : x - Step 2: Convert to fraction form
4,665,723.75/6,998,585.63 = 1,119,867.75/x - Step 3: Cross multiply
4,665,723.75x = 6,998,585.63 × 1,119,867.75 - Step 4: Simplify right side
4,665,723.75x = 7,837,490,337,051.09 - Step 5: Solve for x
x = 7,837,490,337,051.09/4,665,723.75 - Step 6: Final answer
x = 1,679,801.63
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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.