Finding the Fourth Proportional to 2,639,668.41, 3,642,742.35 and 1,432,444.41
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Solution
The fourth proportional to 2,639,668.41, 3,642,742.35 and 1,432,444.41 is: 1,976,773.26
Step by Step Solution
- Step 1: Write the proportion equation
2,639,668.41 : 3,642,742.35 = 1,432,444.41 : x - Step 2: Convert to fraction form
2,639,668.41/3,642,742.35 = 1,432,444.41/x - Step 3: Cross multiply
2,639,668.41x = 3,642,742.35 × 1,432,444.41 - Step 4: Simplify right side
2,639,668.41x = 5,218,025,916,327.76 - Step 5: Solve for x
x = 5,218,025,916,327.76/2,639,668.41 - Step 6: Final answer
x = 1,976,773.26
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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.