Finding the Fourth Proportional to 1,372,038.48, 1,894,071.26 and 964,489.68
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Solution
The fourth proportional to 1,372,038.48, 1,894,071.26 and 964,489.68 is: 1,331,458.42
Step by Step Solution
- Step 1: Write the proportion equation
1,372,038.48 : 1,894,071.26 = 964,489.68 : x - Step 2: Convert to fraction form
1,372,038.48/1,894,071.26 = 964,489.68/x - Step 3: Cross multiply
1,372,038.48x = 1,894,071.26 × 964,489.68 - Step 4: Simplify right side
1,372,038.48x = 1,826,812,185,865.82 - Step 5: Solve for x
x = 1,826,812,185,865.82/1,372,038.48 - Step 6: Final answer
x = 1,331,458.42
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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.