Finding the Fourth Proportional to 1,369,680.08, 1,890,214.11 and 757,822.91
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Solution
The fourth proportional to 1,369,680.08, 1,890,214.11 and 757,822.91 is: 1,045,826.38
Step by Step Solution
- Step 1: Write the proportion equation
1,369,680.08 : 1,890,214.11 = 757,822.91 : x - Step 2: Convert to fraction form
1,369,680.08/1,890,214.11 = 757,822.91/x - Step 3: Cross multiply
1,369,680.08x = 1,890,214.11 × 757,822.91 - Step 4: Simplify right side
1,369,680.08x = 1,432,447,547,912.19 - Step 5: Solve for x
x = 1,432,447,547,912.19/1,369,680.08 - Step 6: Final answer
x = 1,045,826.38
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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.