Finding the Fourth Proportional to 3,726,877.04, 5,143,991.64 and 3,474,727.28
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Solution
The fourth proportional to 3,726,877.04, 5,143,991.64 and 3,474,727.28 is: 4,795,963.99
Step by Step Solution
- Step 1: Write the proportion equation
3,726,877.04 : 5,143,991.64 = 3,474,727.28 : x - Step 2: Convert to fraction form
3,726,877.04/5,143,991.64 = 3,474,727.28/x - Step 3: Cross multiply
3,726,877.04x = 5,143,991.64 × 3,474,727.28 - Step 4: Simplify right side
3,726,877.04x = 17,873,968,079,599.94 - Step 5: Solve for x
x = 17,873,968,079,599.94/3,726,877.04 - Step 6: Final answer
x = 4,795,963.99
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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.