Finding the Fourth Proportional to 1,664,747.40, 2,497,121.10 and 1,487,454.60
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Solution
The fourth proportional to 1,664,747.40, 2,497,121.10 and 1,487,454.60 is: 2,231,181.90
Step by Step Solution
- Step 1: Write the proportion equation
1,664,747.40 : 2,497,121.10 = 1,487,454.60 : x - Step 2: Convert to fraction form
1,664,747.40/2,497,121.10 = 1,487,454.60/x - Step 3: Cross multiply
1,664,747.40x = 2,497,121.10 × 1,487,454.60 - Step 4: Simplify right side
1,664,747.40x = 3,714,354,266,952.06 - Step 5: Solve for x
x = 3,714,354,266,952.06/1,664,747.40 - Step 6: Final answer
x = 2,231,181.90
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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.