Finding the Fourth Proportional to 1,946,905.82, 2,687,468.99 and 1,464,872.21
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Solution
The fourth proportional to 1,946,905.82, 2,687,468.99 and 1,464,872.21 is: 2,022,079.64
Step by Step Solution
- Step 1: Write the proportion equation
1,946,905.82 : 2,687,468.99 = 1,464,872.21 : x - Step 2: Convert to fraction form
1,946,905.82/2,687,468.99 = 1,464,872.21/x - Step 3: Cross multiply
1,946,905.82x = 2,687,468.99 × 1,464,872.21 - Step 4: Simplify right side
1,946,905.82x = 3,936,798,617,926.06 - Step 5: Solve for x
x = 3,936,798,617,926.06/1,946,905.82 - Step 6: Final answer
x = 2,022,079.64
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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.