Finding the Fourth Proportional to 4,087,786.56, 5,641,319.52 and 2,276,950.08
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Solution
The fourth proportional to 4,087,786.56, 5,641,319.52 and 2,276,950.08 is: 3,142,288.07
Step by Step Solution
- Step 1: Write the proportion equation
4,087,786.56 : 5,641,319.52 = 2,276,950.08 : x - Step 2: Convert to fraction form
4,087,786.56/5,641,319.52 = 2,276,950.08/x - Step 3: Cross multiply
4,087,786.56x = 5,641,319.52 × 2,276,950.08 - Step 4: Simplify right side
4,087,786.56x = 12,845,002,932,369.56 - Step 5: Solve for x
x = 12,845,002,932,369.56/4,087,786.56 - Step 6: Final answer
x = 3,142,288.07
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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.