Finding the Fourth Proportional to 5,908,655.12, 8,160,670.09 and 3,971,552.67
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Solution
The fourth proportional to 5,908,655.12, 8,160,670.09 and 3,971,552.67 is: 5,485,263.64
Step by Step Solution
- Step 1: Write the proportion equation
5,908,655.12 : 8,160,670.09 = 3,971,552.67 : x - Step 2: Convert to fraction form
5,908,655.12/8,160,670.09 = 3,971,552.67/x - Step 3: Cross multiply
5,908,655.12x = 8,160,670.09 × 3,971,552.67 - Step 4: Simplify right side
5,908,655.12x = 32,410,531,074,999.76 - Step 5: Solve for x
x = 32,410,531,074,999.76/5,908,655.12 - Step 6: Final answer
x = 5,485,263.64
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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.