Finding the Fourth Proportional to 1,694,659.91, 2,338,621.63 and 920,283.98
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Solution
The fourth proportional to 1,694,659.91, 2,338,621.63 and 920,283.98 is: 1,269,986.98
Step by Step Solution
- Step 1: Write the proportion equation
1,694,659.91 : 2,338,621.63 = 920,283.98 : x - Step 2: Convert to fraction form
1,694,659.91/2,338,621.63 = 920,283.98/x - Step 3: Cross multiply
1,694,659.91x = 2,338,621.63 × 920,283.98 - Step 4: Simplify right side
1,694,659.91x = 2,152,196,007,376.67 - Step 5: Solve for x
x = 2,152,196,007,376.67/1,694,659.91 - Step 6: Final answer
x = 1,269,986.98
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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.