Finding the Fourth Proportional to 1,689,069.38, 2,330,961.03 and 953,964.68
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Solution
The fourth proportional to 1,689,069.38, 2,330,961.03 and 953,964.68 is: 1,316,496.83
Step by Step Solution
- Step 1: Write the proportion equation
1,689,069.38 : 2,330,961.03 = 953,964.68 : x - Step 2: Convert to fraction form
1,689,069.38/2,330,961.03 = 953,964.68/x - Step 3: Cross multiply
1,689,069.38x = 2,330,961.03 × 953,964.68 - Step 4: Simplify right side
1,689,069.38x = 2,223,654,481,421.62 - Step 5: Solve for x
x = 2,223,654,481,421.62/1,689,069.38 - Step 6: Final answer
x = 1,316,496.83
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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.