Finding the Fourth Proportional to 2,539,912.03, 3,809,719.65 and 1,857,490.09
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Solution
The fourth proportional to 2,539,912.03, 3,809,719.65 and 1,857,490.09 is: 2,786,126.61
Step by Step Solution
- Step 1: Write the proportion equation
2,539,912.03 : 3,809,719.65 = 1,857,490.09 : x - Step 2: Convert to fraction form
2,539,912.03/3,809,719.65 = 1,857,490.09/x - Step 3: Cross multiply
2,539,912.03x = 3,809,719.65 × 1,857,490.09 - Step 4: Simplify right side
2,539,912.03x = 7,076,516,495,553.27 - Step 5: Solve for x
x = 7,076,516,495,553.27/2,539,912.03 - Step 6: Final answer
x = 2,786,126.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.