Finding the Fourth Proportional to 1,680,964.36, 2,319,736.26 and 917,033.92
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Solution
The fourth proportional to 1,680,964.36, 2,319,736.26 and 917,033.92 is: 1,265,509.78
Step by Step Solution
- Step 1: Write the proportion equation
1,680,964.36 : 2,319,736.26 = 917,033.92 : x - Step 2: Convert to fraction form
1,680,964.36/2,319,736.26 = 917,033.92/x - Step 3: Cross multiply
1,680,964.36x = 2,319,736.26 × 917,033.92 - Step 4: Simplify right side
1,680,964.36x = 2,127,276,835,873.94 - Step 5: Solve for x
x = 2,127,276,835,873.94/1,680,964.36 - Step 6: Final answer
x = 1,265,509.78
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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.