Finding the Fourth Proportional to 4,272,713.30, 6,409,632.76 and 1,393,068.87
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Solution
The fourth proportional to 4,272,713.30, 6,409,632.76 and 1,393,068.87 is: 2,089,786.80
Step by Step Solution
- Step 1: Write the proportion equation
4,272,713.30 : 6,409,632.76 = 1,393,068.87 : x - Step 2: Convert to fraction form
4,272,713.30/6,409,632.76 = 1,393,068.87/x - Step 3: Cross multiply
4,272,713.30x = 6,409,632.76 × 1,393,068.87 - Step 4: Simplify right side
4,272,713.30x = 8,929,059,862,605.51 - Step 5: Solve for x
x = 8,929,059,862,605.51/4,272,713.30 - Step 6: Final answer
x = 2,089,786.80
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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.