Finding the Fourth Proportional to 3,578,384.97, 4,938,192.74 and 1,946,804.04
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Solution
The fourth proportional to 3,578,384.97, 4,938,192.74 and 1,946,804.04 is: 2,686,601.26
Step by Step Solution
- Step 1: Write the proportion equation
3,578,384.97 : 4,938,192.74 = 1,946,804.04 : x - Step 2: Convert to fraction form
3,578,384.97/4,938,192.74 = 1,946,804.04/x - Step 3: Cross multiply
3,578,384.97x = 4,938,192.74 × 1,946,804.04 - Step 4: Simplify right side
3,578,384.97x = 9,613,693,566,796.65 - Step 5: Solve for x
x = 9,613,693,566,796.65/3,578,384.97 - Step 6: Final answer
x = 2,686,601.26
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1.5x scale
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.