Finding the Fourth Proportional to 5,270,167.35, 7,903,314.69 and 1,810,926.05
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Solution
The fourth proportional to 5,270,167.35, 7,903,314.69 and 1,810,926.05 is: 2,715,723.71
Step by Step Solution
- Step 1: Write the proportion equation
5,270,167.35 : 7,903,314.69 = 1,810,926.05 : x - Step 2: Convert to fraction form
5,270,167.35/7,903,314.69 = 1,810,926.05/x - Step 3: Cross multiply
5,270,167.35x = 7,903,314.69 × 1,810,926.05 - Step 4: Simplify right side
5,270,167.35x = 14,312,318,422,440.63 - Step 5: Solve for x
x = 14,312,318,422,440.63/5,270,167.35 - Step 6: Final answer
x = 2,715,723.71
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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.