Finding the Fourth Proportional to 7,186,778.00, 10,779,808.67 and 2,637,468.87
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Solution
The fourth proportional to 7,186,778.00, 10,779,808.67 and 2,637,468.87 is: 3,956,071.80
Step by Step Solution
- Step 1: Write the proportion equation
7,186,778.00 : 10,779,808.67 = 2,637,468.87 : x - Step 2: Convert to fraction form
7,186,778.00/10,779,808.67 = 2,637,468.87/x - Step 3: Cross multiply
7,186,778.00x = 10,779,808.67 × 2,637,468.87 - Step 4: Simplify right side
7,186,778.00x = 28,431,409,778,493.76 - Step 5: Solve for x
x = 28,431,409,778,493.76/7,186,778.00 - Step 6: Final answer
x = 3,956,071.80
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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.