Finding the Fourth Proportional to 5,158,532.12, 7,727,708.48 and 4,249,020.28
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Solution
The fourth proportional to 5,158,532.12, 7,727,708.48 and 4,249,020.28 is: 6,365,219.66
Step by Step Solution
- Step 1: Write the proportion equation
5,158,532.12 : 7,727,708.48 = 4,249,020.28 : x - Step 2: Convert to fraction form
5,158,532.12/7,727,708.48 = 4,249,020.28/x - Step 3: Cross multiply
5,158,532.12x = 7,727,708.48 × 4,249,020.28 - Step 4: Simplify right side
5,158,532.12x = 32,835,190,049,447.98 - Step 5: Solve for x
x = 32,835,190,049,447.98/5,158,532.12 - Step 6: Final answer
x = 6,365,219.66
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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.