Finding the Fourth Proportional to 1,641,558.44, 2,265,464.76 and 916,548.68
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Solution
The fourth proportional to 1,641,558.44, 2,265,464.76 and 916,548.68 is: 1,264,900.89
Step by Step Solution
- Step 1: Write the proportion equation
1,641,558.44 : 2,265,464.76 = 916,548.68 : x - Step 2: Convert to fraction form
1,641,558.44/2,265,464.76 = 916,548.68/x - Step 3: Cross multiply
1,641,558.44x = 2,265,464.76 × 916,548.68 - Step 4: Simplify right side
1,641,558.44x = 2,076,408,735,364.52 - Step 5: Solve for x
x = 2,076,408,735,364.52/1,641,558.44 - Step 6: Final answer
x = 1,264,900.89
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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.