Finding the Fourth Proportional to 2,689,506.36, 3,711,470.49 and 1,465,804.80
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Solution
The fourth proportional to 2,689,506.36, 3,711,470.49 and 1,465,804.80 is: 2,022,784.31
Step by Step Solution
- Step 1: Write the proportion equation
2,689,506.36 : 3,711,470.49 = 1,465,804.80 : x - Step 2: Convert to fraction form
2,689,506.36/3,711,470.49 = 1,465,804.80/x - Step 3: Cross multiply
2,689,506.36x = 3,711,470.49 × 1,465,804.80 - Step 4: Simplify right side
2,689,506.36x = 5,440,291,259,300.35 - Step 5: Solve for x
x = 5,440,291,259,300.35/2,689,506.36 - Step 6: Final answer
x = 2,022,784.31
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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.