Finding the Fourth Proportional to 1,661,433.12, 2,292,779.76 and 897,486.68
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Solution
The fourth proportional to 1,661,433.12, 2,292,779.76 and 897,486.68 is: 1,238,532.73
Step by Step Solution
- Step 1: Write the proportion equation
1,661,433.12 : 2,292,779.76 = 897,486.68 : x - Step 2: Convert to fraction form
1,661,433.12/2,292,779.76 = 897,486.68/x - Step 3: Cross multiply
1,661,433.12x = 2,292,779.76 × 897,486.68 - Step 4: Simplify right side
1,661,433.12x = 2,057,739,294,773.60 - Step 5: Solve for x
x = 2,057,739,294,773.60/1,661,433.12 - Step 6: Final answer
x = 1,238,532.73
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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.