Finding the Fourth Proportional to 1,552,193.10, 2,142,282.60 and 907,489.80
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Solution
The fourth proportional to 1,552,193.10, 2,142,282.60 and 907,489.80 is: 1,252,485.67
Step by Step Solution
- Step 1: Write the proportion equation
1,552,193.10 : 2,142,282.60 = 907,489.80 : x - Step 2: Convert to fraction form
1,552,193.10/2,142,282.60 = 907,489.80/x - Step 3: Cross multiply
1,552,193.10x = 2,142,282.60 × 907,489.80 - Step 4: Simplify right side
1,552,193.10x = 1,944,099,608,217.48 - Step 5: Solve for x
x = 1,944,099,608,217.48/1,552,193.10 - Step 6: Final answer
x = 1,252,485.67
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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.