Finding the Fourth Proportional to 1,908,628.38, 2,633,910.30 and 1,049,194.08
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Solution
The fourth proportional to 1,908,628.38, 2,633,910.30 and 1,049,194.08 is: 1,447,889.55
Step by Step Solution
- Step 1: Write the proportion equation
1,908,628.38 : 2,633,910.30 = 1,049,194.08 : x - Step 2: Convert to fraction form
1,908,628.38/2,633,910.30 = 1,049,194.08/x - Step 3: Cross multiply
1,908,628.38x = 2,633,910.30 × 1,049,194.08 - Step 4: Simplify right side
1,908,628.38x = 2,763,483,094,011.02 - Step 5: Solve for x
x = 2,763,483,094,011.02/1,908,628.38 - Step 6: Final answer
x = 1,447,889.55
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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.