Finding the Fourth Proportional to 2,132,769.78, 3,199,160.74 and 616,576.14
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Solution
The fourth proportional to 2,132,769.78, 3,199,160.74 and 616,576.14 is: 924,865.96
Step by Step Solution
- Step 1: Write the proportion equation
2,132,769.78 : 3,199,160.74 = 616,576.14 : x - Step 2: Convert to fraction form
2,132,769.78/3,199,160.74 = 616,576.14/x - Step 3: Cross multiply
2,132,769.78x = 3,199,160.74 × 616,576.14 - Step 4: Simplify right side
2,132,769.78x = 1,972,526,180,308.74 - Step 5: Solve for x
x = 1,972,526,180,308.74/2,132,769.78 - Step 6: Final answer
x = 924,865.96
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1.5x scale
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.