Finding the Fourth Proportional to 2,149,684.84, 3,221,622.06 and 819,263.08
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Solution
The fourth proportional to 2,149,684.84, 3,221,622.06 and 819,263.08 is: 1,227,787.42
Step by Step Solution
- Step 1: Write the proportion equation
2,149,684.84 : 3,221,622.06 = 819,263.08 : x - Step 2: Convert to fraction form
2,149,684.84/3,221,622.06 = 819,263.08/x - Step 3: Cross multiply
2,149,684.84x = 3,221,622.06 × 819,263.08 - Step 4: Simplify right side
2,149,684.84x = 2,639,356,011,471.55 - Step 5: Solve for x
x = 2,639,356,011,471.55/2,149,684.84 - Step 6: Final answer
x = 1,227,787.42
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.