Finding the Fourth Proportional to 2,774,979.40, 4,159,704.30 and 1,276,457.80
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Solution
The fourth proportional to 2,774,979.40, 4,159,704.30 and 1,276,457.80 is: 1,913,414.92
Step by Step Solution
- Step 1: Write the proportion equation
2,774,979.40 : 4,159,704.30 = 1,276,457.80 : x - Step 2: Convert to fraction form
2,774,979.40/4,159,704.30 = 1,276,457.80/x - Step 3: Cross multiply
2,774,979.40x = 4,159,704.30 × 1,276,457.80 - Step 4: Simplify right side
2,774,979.40x = 5,309,686,999,428.54 - Step 5: Solve for x
x = 5,309,686,999,428.54/2,774,979.40 - Step 6: Final answer
x = 1,913,414.92
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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.