Finding the Fourth Proportional to 2,030,289.05, 2,801,798.88 and 1,214,527.11
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Solution
The fourth proportional to 2,030,289.05, 2,801,798.88 and 1,214,527.11 is: 1,676,047.41
Step by Step Solution
- Step 1: Write the proportion equation
2,030,289.05 : 2,801,798.88 = 1,214,527.11 : x - Step 2: Convert to fraction form
2,030,289.05/2,801,798.88 = 1,214,527.11/x - Step 3: Cross multiply
2,030,289.05x = 2,801,798.88 × 1,214,527.11 - Step 4: Simplify right side
2,030,289.05x = 3,402,860,707,474.11 - Step 5: Solve for x
x = 3,402,860,707,474.11/2,030,289.05 - Step 6: Final answer
x = 1,676,047.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.