Finding the Fourth Proportional to 2,126,793.84, 2,934,234.36 and 1,363,268.40
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Solution
The fourth proportional to 2,126,793.84, 2,934,234.36 and 1,363,268.40 is: 1,880,835.32
Step by Step Solution
- Step 1: Write the proportion equation
2,126,793.84 : 2,934,234.36 = 1,363,268.40 : x - Step 2: Convert to fraction form
2,126,793.84/2,934,234.36 = 1,363,268.40/x - Step 3: Cross multiply
2,126,793.84x = 2,934,234.36 × 1,363,268.40 - Step 4: Simplify right side
2,126,793.84x = 4,000,148,981,182.22 - Step 5: Solve for x
x = 4,000,148,981,182.22/2,126,793.84 - Step 6: Final answer
x = 1,880,835.32
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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.