Finding the Fourth Proportional to 2,081,779.80, 3,122,669.70 and 1,609,387.80
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Solution
The fourth proportional to 2,081,779.80, 3,122,669.70 and 1,609,387.80 is: 2,414,081.70
Step by Step Solution
- Step 1: Write the proportion equation
2,081,779.80 : 3,122,669.70 = 1,609,387.80 : x - Step 2: Convert to fraction form
2,081,779.80/3,122,669.70 = 1,609,387.80/x - Step 3: Cross multiply
2,081,779.80x = 3,122,669.70 × 1,609,387.80 - Step 4: Simplify right side
2,081,779.80x = 5,025,586,518,609.66 - Step 5: Solve for x
x = 5,025,586,518,609.66/2,081,779.80 - Step 6: Final answer
x = 2,414,081.70
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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.