Finding the Fourth Proportional to 2,726,807.81, 3,762,964.12 and 1,486,390.97
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Solution
The fourth proportional to 2,726,807.81, 3,762,964.12 and 1,486,390.97 is: 2,051,202.82
Step by Step Solution
- Step 1: Write the proportion equation
2,726,807.81 : 3,762,964.12 = 1,486,390.97 : x - Step 2: Convert to fraction form
2,726,807.81/3,762,964.12 = 1,486,390.97/x - Step 3: Cross multiply
2,726,807.81x = 3,762,964.12 × 1,486,390.97 - Step 4: Simplify right side
2,726,807.81x = 5,593,235,862,155.22 - Step 5: Solve for x
x = 5,593,235,862,155.22/2,726,807.81 - Step 6: Final answer
x = 2,051,202.82
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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.