Finding the Fourth Proportional to 2,102,679.48, 3,156,263.70 and 905,194.68
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Solution
The fourth proportional to 2,102,679.48, 3,156,263.70 and 905,194.68 is: 1,358,758.26
Step by Step Solution
- Step 1: Write the proportion equation
2,102,679.48 : 3,156,263.70 = 905,194.68 : x - Step 2: Convert to fraction form
2,102,679.48/3,156,263.70 = 905,194.68/x - Step 3: Cross multiply
2,102,679.48x = 3,156,263.70 × 905,194.68 - Step 4: Simplify right side
2,102,679.48x = 2,857,033,109,917.12 - Step 5: Solve for x
x = 2,857,033,109,917.12/2,102,679.48 - Step 6: Final answer
x = 1,358,758.26
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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.