Finding the Fourth Proportional to 7,038,481.74, 10,557,905.85 and 2,246,164.62
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Solution
The fourth proportional to 7,038,481.74, 10,557,905.85 and 2,246,164.62 is: 3,369,305.41
Step by Step Solution
- Step 1: Write the proportion equation
7,038,481.74 : 10,557,905.85 = 2,246,164.62 : x - Step 2: Convert to fraction form
7,038,481.74/10,557,905.85 = 2,246,164.62/x - Step 3: Cross multiply
7,038,481.74x = 10,557,905.85 × 2,246,164.62 - Step 4: Simplify right side
7,038,481.74x = 23,714,794,581,561.03 - Step 5: Solve for x
x = 23,714,794,581,561.03/7,038,481.74 - Step 6: Final answer
x = 3,369,305.41
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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.