Finding the Fourth Proportional to 1,689,352.48, 2,331,306.84 and 925,433.20
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Solution
The fourth proportional to 1,689,352.48, 2,331,306.84 and 925,433.20 is: 1,277,098.04
Step by Step Solution
- Step 1: Write the proportion equation
1,689,352.48 : 2,331,306.84 = 925,433.20 : x - Step 2: Convert to fraction form
1,689,352.48/2,331,306.84 = 925,433.20/x - Step 3: Cross multiply
1,689,352.48x = 2,331,306.84 × 925,433.20 - Step 4: Simplify right side
1,689,352.48x = 2,157,468,749,123.09 - Step 5: Solve for x
x = 2,157,468,749,123.09/1,689,352.48 - Step 6: Final answer
x = 1,277,098.04
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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.