Finding the Fourth Proportional to 2,115,073.08, 3,172,609.62 and 619,165.08
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Solution
The fourth proportional to 2,115,073.08, 3,172,609.62 and 619,165.08 is: 928,747.62
Step by Step Solution
- Step 1: Write the proportion equation
2,115,073.08 : 3,172,609.62 = 619,165.08 : x - Step 2: Convert to fraction form
2,115,073.08/3,172,609.62 = 619,165.08/x - Step 3: Cross multiply
2,115,073.08x = 3,172,609.62 × 619,165.08 - Step 4: Simplify right side
2,115,073.08x = 1,964,369,089,176.07 - Step 5: Solve for x
x = 1,964,369,089,176.07/2,115,073.08 - Step 6: Final answer
x = 928,747.62
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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.