Finding the Fourth Proportional to 1,680,958.86, 2,319,728.67 and 917,028.42
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Solution
The fourth proportional to 1,680,958.86, 2,319,728.67 and 917,028.42 is: 1,265,502.19
Step by Step Solution
- Step 1: Write the proportion equation
1,680,958.86 : 2,319,728.67 = 917,028.42 : x - Step 2: Convert to fraction form
1,680,958.86/2,319,728.67 = 917,028.42/x - Step 3: Cross multiply
1,680,958.86x = 2,319,728.67 × 917,028.42 - Step 4: Simplify right side
1,680,958.86x = 2,127,257,117,078.80 - Step 5: Solve for x
x = 2,127,257,117,078.80/1,680,958.86 - Step 6: Final answer
x = 1,265,502.19
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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.