Finding the Fourth Proportional to 3,962,076.81, 5,465,125.24 and 2,721,088.14
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Solution
The fourth proportional to 3,962,076.81, 5,465,125.24 and 2,721,088.14 is: 3,753,356.68
Step by Step Solution
- Step 1: Write the proportion equation
3,962,076.81 : 5,465,125.24 = 2,721,088.14 : x - Step 2: Convert to fraction form
3,962,076.81/5,465,125.24 = 2,721,088.14/x - Step 3: Cross multiply
3,962,076.81x = 5,465,125.24 × 2,721,088.14 - Step 4: Simplify right side
3,962,076.81x = 14,871,087,474,178.65 - Step 5: Solve for x
x = 14,871,087,474,178.65/3,962,076.81 - Step 6: Final answer
x = 3,753,356.68
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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.