Finding the Fourth Proportional to 1,680,960.36, 2,319,730.74 and 917,029.92
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Solution
The fourth proportional to 1,680,960.36, 2,319,730.74 and 917,029.92 is: 1,265,504.26
Step by Step Solution
- Step 1: Write the proportion equation
1,680,960.36 : 2,319,730.74 = 917,029.92 : x - Step 2: Convert to fraction form
1,680,960.36/2,319,730.74 = 917,029.92/x - Step 3: Cross multiply
1,680,960.36x = 2,319,730.74 × 917,029.92 - Step 4: Simplify right side
1,680,960.36x = 2,127,262,494,923.74 - Step 5: Solve for x
x = 2,127,262,494,923.74/1,680,960.36 - Step 6: Final answer
x = 1,265,504.26
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.