Finding the Fourth Proportional to 2,871,223.80, 3,962,465.70 and 1,582,063.80
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Solution
The fourth proportional to 2,871,223.80, 3,962,465.70 and 1,582,063.80 is: 2,183,345.49
Step by Step Solution
- Step 1: Write the proportion equation
2,871,223.80 : 3,962,465.70 = 1,582,063.80 : x - Step 2: Convert to fraction form
2,871,223.80/3,962,465.70 = 1,582,063.80/x - Step 3: Cross multiply
2,871,223.80x = 3,962,465.70 × 1,582,063.80 - Step 4: Simplify right side
2,871,223.80x = 6,268,873,542,711.66 - Step 5: Solve for x
x = 6,268,873,542,711.66/2,871,223.80 - Step 6: Final answer
x = 2,183,345.49
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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.