Finding the Fourth Proportional to 5,779,776.12, 7,976,091.66 and 3,201,623.88
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Solution
The fourth proportional to 5,779,776.12, 7,976,091.66 and 3,201,623.88 is: 4,418,241.29
Step by Step Solution
- Step 1: Write the proportion equation
5,779,776.12 : 7,976,091.66 = 3,201,623.88 : x - Step 2: Convert to fraction form
5,779,776.12/7,976,091.66 = 3,201,623.88/x - Step 3: Cross multiply
5,779,776.12x = 7,976,091.66 × 3,201,623.88 - Step 4: Simplify right side
5,779,776.12x = 25,536,445,527,724.84 - Step 5: Solve for x
x = 25,536,445,527,724.84/5,779,776.12 - Step 6: Final answer
x = 4,418,241.29
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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.