Finding the Fourth Proportional to 1,787,672.36, 2,467,035.56 and 971,930.88
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Solution
The fourth proportional to 1,787,672.36, 2,467,035.56 and 971,930.88 is: 1,341,290.55
Step by Step Solution
- Step 1: Write the proportion equation
1,787,672.36 : 2,467,035.56 = 971,930.88 : x - Step 2: Convert to fraction form
1,787,672.36/2,467,035.56 = 971,930.88/x - Step 3: Cross multiply
1,787,672.36x = 2,467,035.56 × 971,930.88 - Step 4: Simplify right side
1,787,672.36x = 2,397,788,042,822.09 - Step 5: Solve for x
x = 2,397,788,042,822.09/1,787,672.36 - Step 6: Final answer
x = 1,341,290.55
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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.