Finding the Fourth Proportional to 5,341,851.14, 7,371,780.24 and 2,894,461.54
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Solution
The fourth proportional to 5,341,851.14, 7,371,780.24 and 2,894,461.54 is: 3,994,370.83
Step by Step Solution
- Step 1: Write the proportion equation
5,341,851.14 : 7,371,780.24 = 2,894,461.54 : x - Step 2: Convert to fraction form
5,341,851.14/7,371,780.24 = 2,894,461.54/x - Step 3: Cross multiply
5,341,851.14x = 7,371,780.24 × 2,894,461.54 - Step 4: Simplify right side
5,341,851.14x = 21,337,334,371,539.66 - Step 5: Solve for x
x = 21,337,334,371,539.66/5,341,851.14 - Step 6: Final answer
x = 3,994,370.83
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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.