Finding the Fourth Proportional to 1,694,762.57, 2,338,764.36 and 920,387.99
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Solution
The fourth proportional to 1,694,762.57, 2,338,764.36 and 920,387.99 is: 1,270,131.09
Step by Step Solution
- Step 1: Write the proportion equation
1,694,762.57 : 2,338,764.36 = 920,387.99 : x - Step 2: Convert to fraction form
1,694,762.57/2,338,764.36 = 920,387.99/x - Step 3: Cross multiply
1,694,762.57x = 2,338,764.36 × 920,387.99 - Step 4: Simplify right side
1,694,762.57x = 2,152,570,628,384.04 - Step 5: Solve for x
x = 2,152,570,628,384.04/1,694,762.57 - Step 6: Final answer
x = 1,270,131.09
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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.