Finding the Fourth Proportional to 1,680,966.36, 2,319,739.02 and 917,035.92
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Solution
The fourth proportional to 1,680,966.36, 2,319,739.02 and 917,035.92 is: 1,265,512.54
Step by Step Solution
- Step 1: Write the proportion equation
1,680,966.36 : 2,319,739.02 = 917,035.92 : x - Step 2: Convert to fraction form
1,680,966.36/2,319,739.02 = 917,035.92/x - Step 3: Cross multiply
1,680,966.36x = 2,319,739.02 × 917,035.92 - Step 4: Simplify right side
1,680,966.36x = 2,127,284,006,365.60 - Step 5: Solve for x
x = 2,127,284,006,365.60/1,680,966.36 - Step 6: Final answer
x = 1,265,512.54
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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.