Finding the Fourth Proportional to 7,985,832.84, 11,980,769.87 and 2,228,565.87
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Solution
The fourth proportional to 7,985,832.84, 11,980,769.87 and 2,228,565.87 is: 3,343,412.69
Step by Step Solution
- Step 1: Write the proportion equation
7,985,832.84 : 11,980,769.87 = 2,228,565.87 : x - Step 2: Convert to fraction form
7,985,832.84/11,980,769.87 = 2,228,565.87/x - Step 3: Cross multiply
7,985,832.84x = 11,980,769.87 × 2,228,565.87 - Step 4: Simplify right side
7,985,832.84x = 26,699,934,834,177.75 - Step 5: Solve for x
x = 26,699,934,834,177.75/7,985,832.84 - Step 6: Final answer
x = 3,343,412.69
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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.