Finding the Fourth Proportional to 1,784,801.20, 2,460,944.64 and 1,331,304.88
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Solution
The fourth proportional to 1,784,801.20, 2,460,944.64 and 1,331,304.88 is: 1,835,648.48
Step by Step Solution
- Step 1: Write the proportion equation
1,784,801.20 : 2,460,944.64 = 1,331,304.88 : x - Step 2: Convert to fraction form
1,784,801.20/2,460,944.64 = 1,331,304.88/x - Step 3: Cross multiply
1,784,801.20x = 2,460,944.64 × 1,331,304.88 - Step 4: Simplify right side
1,784,801.20x = 3,276,267,608,641.84 - Step 5: Solve for x
x = 3,276,267,608,641.84/1,784,801.20 - Step 6: Final answer
x = 1,835,648.48
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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.