Finding the Fourth Proportional to 2,718,471.12, 4,077,810.36 and 1,387,219.92
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Solution
The fourth proportional to 2,718,471.12, 4,077,810.36 and 1,387,219.92 is: 2,080,882.79
Step by Step Solution
- Step 1: Write the proportion equation
2,718,471.12 : 4,077,810.36 = 1,387,219.92 : x - Step 2: Convert to fraction form
2,718,471.12/4,077,810.36 = 1,387,219.92/x - Step 3: Cross multiply
2,718,471.12x = 4,077,810.36 × 1,387,219.92 - Step 4: Simplify right side
2,718,471.12x = 5,656,819,761,374.37 - Step 5: Solve for x
x = 5,656,819,761,374.37/2,718,471.12 - Step 6: Final answer
x = 2,080,882.79
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.