Finding the Fourth Proportional to 1,421,765.48, 2,132,647.68 and 569,220.68
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Solution
The fourth proportional to 1,421,765.48, 2,132,647.68 and 569,220.68 is: 853,830.80
Step by Step Solution
- Step 1: Write the proportion equation
1,421,765.48 : 2,132,647.68 = 569,220.68 : x - Step 2: Convert to fraction form
1,421,765.48/2,132,647.68 = 569,220.68/x - Step 3: Cross multiply
1,421,765.48x = 2,132,647.68 × 569,220.68 - Step 4: Simplify right side
1,421,765.48x = 1,213,947,162,610.02 - Step 5: Solve for x
x = 1,213,947,162,610.02/1,421,765.48 - Step 6: Final answer
x = 853,830.80
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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.