Finding the Fourth Proportional to 1,400,635.56, 2,101,609.44 and 690,276.09
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Solution
The fourth proportional to 1,400,635.56, 2,101,609.44 and 690,276.09 is: 1,035,737.48
Step by Step Solution
- Step 1: Write the proportion equation
1,400,635.56 : 2,101,609.44 = 690,276.09 : x - Step 2: Convert to fraction form
1,400,635.56/2,101,609.44 = 690,276.09/x - Step 3: Cross multiply
1,400,635.56x = 2,101,609.44 × 690,276.09 - Step 4: Simplify right side
1,400,635.56x = 1,450,690,746,950.29 - Step 5: Solve for x
x = 1,450,690,746,950.29/1,400,635.56 - Step 6: Final answer
x = 1,035,737.48
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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.