Finding the Fourth Proportional to 6,319,743.81, 8,727,269.72 and 5,975,449.19
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Solution
The fourth proportional to 6,319,743.81, 8,727,269.72 and 5,975,449.19 is: 8,251,814.99
Step by Step Solution
- Step 1: Write the proportion equation
6,319,743.81 : 8,727,269.72 = 5,975,449.19 : x - Step 2: Convert to fraction form
6,319,743.81/8,727,269.72 = 5,975,449.19/x - Step 3: Cross multiply
6,319,743.81x = 8,727,269.72 × 5,975,449.19 - Step 4: Simplify right side
6,319,743.81x = 52,149,356,747,565.65 - Step 5: Solve for x
x = 52,149,356,747,565.65/6,319,743.81 - Step 6: Final answer
x = 8,251,814.99
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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.