Finding the Fourth Proportional to 1,946,399.65, 2,686,113.11 and 1,119,473.44
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Solution
The fourth proportional to 1,946,399.65, 2,686,113.11 and 1,119,473.44 is: 1,544,920.28
Step by Step Solution
- Step 1: Write the proportion equation
1,946,399.65 : 2,686,113.11 = 1,119,473.44 : x - Step 2: Convert to fraction form
1,946,399.65/2,686,113.11 = 1,119,473.44/x - Step 3: Cross multiply
1,946,399.65x = 2,686,113.11 × 1,119,473.44 - Step 4: Simplify right side
1,946,399.65x = 3,007,032,283,480.80 - Step 5: Solve for x
x = 3,007,032,283,480.80/1,946,399.65 - Step 6: Final answer
x = 1,544,920.28
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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.