Finding the Fourth Proportional to 1,564,640.92, 2,159,129.82 and 960,912.28
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Solution
The fourth proportional to 1,564,640.92, 2,159,129.82 and 960,912.28 is: 1,326,013.10
Step by Step Solution
- Step 1: Write the proportion equation
1,564,640.92 : 2,159,129.82 = 960,912.28 : x - Step 2: Convert to fraction form
1,564,640.92/2,159,129.82 = 960,912.28/x - Step 3: Cross multiply
1,564,640.92x = 2,159,129.82 × 960,912.28 - Step 4: Simplify right side
1,564,640.92x = 2,074,734,358,152.19 - Step 5: Solve for x
x = 2,074,734,358,152.19/1,564,640.92 - Step 6: Final answer
x = 1,326,013.10
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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.