Finding the Fourth Proportional to 2,487,893.34, 3,434,352.14 and 1,672,569.91
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Solution
The fourth proportional to 2,487,893.34, 3,434,352.14 and 1,672,569.91 is: 2,308,858.65
Step by Step Solution
- Step 1: Write the proportion equation
2,487,893.34 : 3,434,352.14 = 1,672,569.91 : x - Step 2: Convert to fraction form
2,487,893.34/3,434,352.14 = 1,672,569.91/x - Step 3: Cross multiply
2,487,893.34x = 3,434,352.14 × 1,672,569.91 - Step 4: Simplify right side
2,487,893.34x = 5,744,194,049,708.11 - Step 5: Solve for x
x = 5,744,194,049,708.11/2,487,893.34 - Step 6: Final answer
x = 2,308,858.65
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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.