Finding the Fourth Proportional to 2,068,246.18, 2,853,246.90 and 1,208,419.84
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Solution
The fourth proportional to 2,068,246.18, 2,853,246.90 and 1,208,419.84 is: 1,667,074.35
Step by Step Solution
- Step 1: Write the proportion equation
2,068,246.18 : 2,853,246.90 = 1,208,419.84 : x - Step 2: Convert to fraction form
2,068,246.18/2,853,246.90 = 1,208,419.84/x - Step 3: Cross multiply
2,068,246.18x = 2,853,246.90 × 1,208,419.84 - Step 4: Simplify right side
2,068,246.18x = 3,447,920,162,378.50 - Step 5: Solve for x
x = 3,447,920,162,378.50/2,068,246.18 - Step 6: Final answer
x = 1,667,074.35
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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.