Finding the Fourth Proportional to 1,428,930.53, 1,971,027.16 and 847,742.19
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Solution
The fourth proportional to 1,428,930.53, 1,971,027.16 and 847,742.19 is: 1,169,352.07
Step by Step Solution
- Step 1: Write the proportion equation
1,428,930.53 : 1,971,027.16 = 847,742.19 : x - Step 2: Convert to fraction form
1,428,930.53/1,971,027.16 = 847,742.19/x - Step 3: Cross multiply
1,428,930.53x = 1,971,027.16 × 847,742.19 - Step 4: Simplify right side
1,428,930.53x = 1,670,922,874,120.96 - Step 5: Solve for x
x = 1,670,922,874,120.96/1,428,930.53 - Step 6: Final answer
x = 1,169,352.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.