Finding the Fourth Proportional to 1,497,638.70, 2,246,458.05 and 1,231,918.20
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Solution
The fourth proportional to 1,497,638.70, 2,246,458.05 and 1,231,918.20 is: 1,847,877.30
Step by Step Solution
- Step 1: Write the proportion equation
1,497,638.70 : 2,246,458.05 = 1,231,918.20 : x - Step 2: Convert to fraction form
1,497,638.70/2,246,458.05 = 1,231,918.20/x - Step 3: Cross multiply
1,497,638.70x = 2,246,458.05 × 1,231,918.20 - Step 4: Simplify right side
1,497,638.70x = 2,767,452,557,331.51 - Step 5: Solve for x
x = 2,767,452,557,331.51/1,497,638.70 - Step 6: Final answer
x = 1,847,877.30
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.